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57002434060 = 225111319930921
BaseRepresentation
bin110101000101100111…
…000001111000001100
312110010121010200022111
4311011213001320030
51413220110342220
642104143553404
74055400460255
oct650547017014
9173117120274
1057002434060
11221a142a440
12b069bbb864
1354b5718830
142a8a721b2c
1517394e015a
hexd459c1e0c

57002434060 has 48 divisors (see below), whose sum is σ = 140632585632. Its totient is φ = 19133683200.

The previous prime is 57002434051. The next prime is 57002434061. The reversal of 57002434060 is 6043420075.

It is not an unprimeable number, because it can be changed into a prime (57002434061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9962601 + ... + 9968320.

It is an arithmetic number, because the mean of its divisors is an integer number (2929845534).

Almost surely, 257002434060 is an apocalyptic number.

It is an amenable number.

57002434060 is an abundant number, since it is smaller than the sum of its proper divisors (83630151572).

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

57002434060 is a wasteful number, since it uses less digits than its factorization.

57002434060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19930954 (or 19930952 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 57002434060 in words is "fifty-seven billion, two million, four hundred thirty-four thousand, sixty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 19930921 39861842 79723684 99654605 199309210 219240131 259101973 398618420 438480262 518203946 876960524 1036407892 1096200655 1295509865 2192401310 2591019730 2850121703 4384802620 5182039460 5700243406 11400486812 14250608515 28501217030 57002434060