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104264855781 = 3311111752257
BaseRepresentation
bin110000100011010101…
…0110111000011100101
3100222010101201110112020
41201012222313003211
53202013300341111
6115522033413353
710350531436242
oct1410652670345
9328111643466
10104264855781
114024487a3a9
121825a10a259
139aa8275648
14509163a5c9
152aa387a906
hex1846ab70e5

104264855781 has 8 divisors (see below), whose sum is σ = 139466817984. Its totient is φ = 69286398720.

The previous prime is 104264855749. The next prime is 104264855831. The reversal of 104264855781 is 187558462401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104264855781 - 25 = 104264855749 is a prime.

It is a super-2 number, since 2×1042648557812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104264851781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55875196 + ... + 55877061.

It is an arithmetic number, because the mean of its divisors is an integer number (17433352248).

Almost surely, 2104264855781 is an apocalyptic number.

It is an amenable number.

104264855781 is a deficient number, since it is larger than the sum of its proper divisors (35201962203).

104264855781 is a wasteful number, since it uses less digits than its factorization.

104264855781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111752571.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 104264855781 in words is "one hundred four billion, two hundred sixty-four million, eight hundred fifty-five thousand, seven hundred eighty-one".

Divisors: 1 3 311 933 111752257 335256771 34754951927 104264855781