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Googolbang (occasionally spelled googol-bang) is equal to the factorial of a googol, $$(10^{100})! \approx 10^{9.9565705518098 \times 10^{101}}$$.[1][2][3] It is comparable to googolplex to the power of 100.

Its first few digits are 162940433246... and it has exactly $$2.5 \times 10^{99} - 18$$ trailing zeroes; the last non-zero digit is 6.

Etymology Edit

The name of this number can be separated into 2 parts, "googol" and "-bang", where the suffix "-bang" means factorial operation.

Sources Edit

Googol and related numbers

Googol plex bang stack numbers