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86139708195 = 357977205329
BaseRepresentation
bin101000000111001010…
…0111010001100100011
322020100020001120021210
41100032110322030203
52402403231130240
6103323320521203
76136423303332
oct1201624721443
9266306046253
1086139708195
113359368a792
1214840020203
13817a138148
144252353d19
152392501780
hex140e53a323

86139708195 has 16 divisors (see below), whose sum is σ = 137996480160. Its totient is φ = 45883528704.

The previous prime is 86139708173. The next prime is 86139708233. The reversal of 86139708195 is 59180793168.

It is not a de Polignac number, because 86139708195 - 29 = 86139707683 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3590710 + ... + 3614619.

It is an arithmetic number, because the mean of its divisors is an integer number (8624780010).

Almost surely, 286139708195 is an apocalyptic number.

86139708195 is a deficient number, since it is larger than the sum of its proper divisors (51856771965).

86139708195 is a wasteful number, since it uses less digits than its factorization.

86139708195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206134.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 86139708195 in words is "eighty-six billion, one hundred thirty-nine million, seven hundred eight thousand, one hundred ninety-five".

Divisors: 1 3 5 15 797 2391 3985 11955 7205329 21615987 36026645 108079935 5742647213 17227941639 28713236065 86139708195