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Ekatommyrillion is equal to 103,000,000.[1]

It is 3,000,001 digits long and the 999,999'th -illion (since \(999999*3+3=3,000,000\) )

Aarex Tiaokhiao calls this number blastillion.[2]

André Joyce calls this number googodbar, and it's equal to 1,000,000500,000.[3]

A game called Tap Tales refers to this number as novenonagintanongentillinovenonagintanongentillion.[4]

Sbiis Saibian calls this number novemnonagintinongentimilli-novemnonagintinongentillion using Jonathan Bowers' generalization of -illions.[5]

Approximations

Notation Lower bound Upper bound
Scientific notation \(1\times10^{3\,000\,000}\)
Arrow notation \(10\uparrow3\,000\,000\)
Steinhaus-Moser Notation 6[3][3] 7[3][3]
Copy notation 2[2[7]] 3[3[7]]
Chained arrow notation \(10\rightarrow3\,000\,000\)
Taro's multivariable Ackermann function A(3,A(3,20)) A(3,A(3,21))
Pound-Star Notation #*((1652770))*705 #*((1652771))*705
PlantStar's Debut Notation [1784395] [1784396]
BEAF & Bird's array notation {10,3000000}
Hyper-E notation E(3E6)
Bashicu matrix system (0)(1)[4] (0)(1)[5]
Hyperfactorial array notation (9!)! (10!)!
Fast-growing hierarchy \(f_2(f_2(19))\) \(f_2(f_2(20))\)
Hardy hierarchy \(H_{\omega^2\times 2}(19)\) \(H_{\omega^2\times 2}(20)\)
Slow-growing hierarchy \(g_{\omega^{\omega^6\times 3}}(10)\)

Sources

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