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85520087032 = 2310690010879
BaseRepresentation
bin100111110100101100…
…1001111011111111000
322011202001010112211211
41033221121033133320
52400121120241112
6103142024132504
76115160513542
oct1175131173770
9264661115754
1085520087032
11332a5950186
12146a8607134
1380ab95c6c3
1441d3d40692
152357e0a0a7
hex13e964f7f8

85520087032 has 8 divisors (see below), whose sum is σ = 160350163200. Its totient is φ = 42760043512.

The previous prime is 85520087027. The next prime is 85520087039. The reversal of 85520087032 is 23078002558.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85520087039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5345005432 + ... + 5345005447.

It is an arithmetic number, because the mean of its divisors is an integer number (20043770400).

Almost surely, 285520087032 is an apocalyptic number.

It is an amenable number.

85520087032 is a deficient number, since it is larger than the sum of its proper divisors (74830076168).

85520087032 is a wasteful number, since it uses less digits than its factorization.

85520087032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10690010885 (or 10690010881 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 85520087032 in words is "eighty-five billion, five hundred twenty million, eighty-seven thousand, thirty-two".

Divisors: 1 2 4 8 10690010879 21380021758 42760043516 85520087032