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107931889523 = 160807671189
BaseRepresentation
bin110010010000100111…
…1011110111101110011
3101022120221220002010202
41210201033132331303
53232021030431043
6121325550545415
710540436631563
oct1444117367563
9338527802122
10107931889523
11418568130a7
1218b0220826b
13a240bc60b3
14531c678da3
152c1a77e1b8
hex19213def73

107931889523 has 4 divisors (see below), whose sum is σ = 107932721520. Its totient is φ = 107931057528.

The previous prime is 107931889519. The next prime is 107931889561. The reversal of 107931889523 is 325988139701.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 107931889523 - 22 = 107931889519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107931886523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174788 + ... + 496401.

It is an arithmetic number, because the mean of its divisors is an integer number (26983180380).

Almost surely, 2107931889523 is an apocalyptic number.

107931889523 is a deficient number, since it is larger than the sum of its proper divisors (831997).

107931889523 is an equidigital number, since it uses as much as digits as its factorization.

107931889523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831996.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 107931889523 in words is "one hundred seven billion, nine hundred thirty-one million, eight hundred eighty-nine thousand, five hundred twenty-three".

Divisors: 1 160807 671189 107931889523