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85179348125 = 54539925243
BaseRepresentation
bin100111101010100010…
…1011011010010011101
322010212021222012221022
41033111011123102131
52343421403120000
6103044133013525
76103552340624
oct1172505332235
9263767865838
1085179348125
1133140580a83
12146124842a5
138056199951
1441a09a46bb
152338050585
hex13d515b49d

85179348125 has 20 divisors (see below), whose sum is σ = 106464045600. Its totient is φ = 68128158000.

The previous prime is 85179348101. The next prime is 85179348131. The reversal of 85179348125 is 52184397158.

It is not a de Polignac number, because 85179348125 - 234 = 67999478941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3361754 + ... + 3386996.

It is an arithmetic number, because the mean of its divisors is an integer number (5323202280).

Almost surely, 285179348125 is an apocalyptic number.

It is an amenable number.

85179348125 is a deficient number, since it is larger than the sum of its proper divisors (21284697475).

85179348125 is an equidigital number, since it uses as much as digits as its factorization.

85179348125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30662 (or 30647 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 53.

The spelling of 85179348125 in words is "eighty-five billion, one hundred seventy-nine million, three hundred forty-eight thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 5399 25243 26995 126215 134975 631075 674875 3155375 3374375 15776875 136286957 681434785 3407173925 17035869625 85179348125