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85708937636 = 2273061033487
BaseRepresentation
bin100111111010010100…
…1101001100110100100
322012020012111011011122
41033310221221212210
52401012442001021
6103212451553112
76122642643440
oct1176451514644
9265205434148
1085708937636
1133392508463
121473b8bb798
13810bb11c1a
14421105d820
1523697b0bab
hex13f4a699a4

85708937636 has 12 divisors (see below), whose sum is σ = 171417875328. Its totient is φ = 36732401832.

The previous prime is 85708937597. The next prime is 85708937647. The reversal of 85708937636 is 63673980758.

85708937636 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1530516716 + ... + 1530516771.

It is an arithmetic number, because the mean of its divisors is an integer number (14284822944).

Almost surely, 285708937636 is an apocalyptic number.

It is an amenable number.

85708937636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85708937636 is a wasteful number, since it uses less digits than its factorization.

85708937636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061033498 (or 3061033496 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 85708937636 in words is "eighty-five billion, seven hundred eight million, nine hundred thirty-seven thousand, six hundred thirty-six".

Divisors: 1 2 4 7 14 28 3061033487 6122066974 12244133948 21427234409 42854468818 85708937636