Diabolical Dysprosbillion

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Diabolical Dysprosbillion is equal to 10^{10²⁵⁰⁰⁰}, or a 1 followed by 10 octomilliatrecenduotrigintillion zeroes. It is 10²⁵⁰⁰⁰+1 digits long. The term was coined by Wikia user BlankEntity^[1].

Written out in scientific notation of diabolical dysprosbillion is:

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000

Writing down the full decimal expansion would take 10 octomilliatrecentrigintillion (10²⁴⁹⁹⁴) books of 400 pages each, with 2,500 digits on each page.

Names in -illion systems[]

In Conway-Wechsler system,^[2] \(10^{10^{25000}}\) is expressed in short scale as follows by using Fish's result.^[3]^[4]

ten trilli-trestrigintatrecentilli(8332 times)-duotrigintatrecentillion

Approximations[]

Notation	Approximation
Arrow notation	\(10\uparrow10\uparrow25\,000\) (exact)
Bowers' Exploding Array Function	{10,{10,25000}‌} (exact)
Chained arrow notation	\(10\rightarrow(10\rightarrow25\,000)\) (exact)
Hyper-E notation	EE25000
Slow-growing hierarchy	\(g_{\omega^{\omega^{\omega^42+\omega^35} } }(10)\)