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85705252060 = 22519225540137
BaseRepresentation
bin100111111010001101…
…1100101110011011100
322012012221112220111211
41033310123211303130
52401011021031220
6103212240554204
76122566423351
oct1176433456334
9265187486454
1085705252060
113339042042a
121473a622964
13810b1214cc
144210780628
1523692d3b5a
hex13f46e5cdc

85705252060 has 24 divisors (see below), whose sum is σ = 189453715920. Its totient is φ = 32477779584.

The previous prime is 85705252049. The next prime is 85705252091. The reversal of 85705252060 is 6025250758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112769689 + ... + 112770448.

It is an arithmetic number, because the mean of its divisors is an integer number (7893904830).

Almost surely, 285705252060 is an apocalyptic number.

It is an amenable number.

85705252060 is an abundant number, since it is smaller than the sum of its proper divisors (103748463860).

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

85705252060 is a wasteful number, since it uses less digits than its factorization.

85705252060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225540165 (or 225540163 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 85705252060 in words is "eighty-five billion, seven hundred five million, two hundred fifty-two thousand, sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 225540137 451080274 902160548 1127700685 2255401370 4285262603 4510802740 8570525206 17141050412 21426313015 42852626030 85705252060