Maximusquadragintillion

A **maximusquadragintillion** (also called a **quadragintillionplex** or **quadragintilliplexion**) is equal to 1010123, or E123#2 in Hyper-E notation. It is equal to one followed by a quadragintillion zeros. It is 10123+1 digits long.
This number is the sixth root of the Epstein system *vigintillia-illion* which is 1,000,00010123 .

Writing down the full decimal expansion would take 1 short scale octotrigintillion (10117) books of 400 pages, with 2,500 digits on each page (except for the first, which would have 2,501).

## Names in -illion systems

In the short scale of the Conway-Wechsler system, it is called

ten trestrigintatrecentilli(40 times)-duotrigintatrecentillion

According to Landon Curt Noll's The English name of a number, it is also called

ten 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