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85185422075 = 5213262108991
BaseRepresentation
bin100111101010101110…
…0100110001011111011
322010212201101210211102
41033111130212023323
52343424432001300
6103044511122015
76103655066135
oct1172534461373
9263781353742
1085185422075
1133143a4a476
121461451330b
1380575154c0
1441a1706055
1523388500d5
hex13d57262fb

85185422075 has 12 divisors (see below), whose sum is σ = 113755302528. Its totient is φ = 62906157600.

The previous prime is 85185422053. The next prime is 85185422087. The reversal of 85185422075 is 57022458158.

It is not a de Polignac number, because 85185422075 - 224 = 85168644859 is a prime.

It is a super-2 number, since 2×851854220752 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131054171 + ... + 131054820.

It is an arithmetic number, because the mean of its divisors is an integer number (9479608544).

Almost surely, 285185422075 is an apocalyptic number.

85185422075 is a deficient number, since it is larger than the sum of its proper divisors (28569880453).

85185422075 is a wasteful number, since it uses less digits than its factorization.

85185422075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262109014 (or 262109009 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 85185422075 in words is "eighty-five billion, one hundred eighty-five million, four hundred twenty-two thousand, seventy-five".

Divisors: 1 5 13 25 65 325 262108991 1310544955 3407416883 6552724775 17037084415 85185422075