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105255018081801 = 3271924628018207
BaseRepresentation
bin10111111011101010010111…
…111101101010111000001001
3111210200021121011221110221200
4113323222113331222320021
5102243444234112104201
61011505253205454413
731112265316631310
oct2773522775527011
9453607534843850
10105255018081801
11305a0447795025
12b97b164711409
134696675ab8c63
141bdc527617277
15c27dd0634386
hex5fba97f6ae09

105255018081801 has 36 divisors (see below), whose sum is σ = 183380593473792. Its totient is φ = 56980160152272.

The previous prime is 105255018081781. The next prime is 105255018081803. The reversal of 105255018081801 is 108180810552501.

105255018081801 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 550 + 1 + 80 + 8 + 18 + 0 + 1 = 666.

It is not a de Polignac number, because 105255018081801 - 29 = 105255018081289 is a prime.

It is a super-2 number, since 2×1052550180818012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105255018081803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2313986361 + ... + 2314031846.

It is an arithmetic number, because the mean of its divisors is an integer number (5093905374272).

Almost surely, 2105255018081801 is an apocalyptic number.

It is an amenable number.

105255018081801 is a deficient number, since it is larger than the sum of its proper divisors (78125575391991).

105255018081801 is a wasteful number, since it uses less digits than its factorization.

105255018081801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628018258 (or 4628018236 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 45.

The spelling of 105255018081801 in words is "one hundred five trillion, two hundred fifty-five billion, eighteen million, eighty-one thousand, eight hundred one".

Divisors: 1 3 7 9 19 21 57 63 133 171 361 399 1083 1197 2527 3249 7581 22743 4628018207 13884054621 32396127449 41652163863 87932345933 97188382347 263797037799 291565147041 615526421531 791391113397 1670714572727 1846579264593 5012143718181 5539737793779 11695002009089 15036431154543 35085006027267 105255018081801