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Totalillion is equal to $$10^{3\times10^{3\times 10^{1200000}} + 3}$$. The term was coined by Aarex Tiaokhiao.[1]

## Approximations in other notations

Notation Approximation
BEAF $$\lbrace10,3\times\lbrace10,3\times\lbrace10,1200000\rbrace​\rbrace+3\rbrace$$
Fast-growing hierarchy $$f^4_2(18)$$