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57147415888 = 2423311949789
BaseRepresentation
bin110101001110010000…
…000101110101010000
312110111200221111222211
4311032100011311100
51414014214302023
642130403241504
74062111006643
oct651620056520
9173450844884
1057147415888
1122266254432
12b0aa679294
13550977b5b4
142aa1aa1a5a
1517470cca0d
hexd4e405d50

57147415888 has 40 divisors (see below), whose sum is σ = 115576531200. Its totient is φ = 27322061184.

The previous prime is 57147415841. The next prime is 57147415907. The reversal of 57147415888 is 88851474175.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

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, 1122898 + ... + 1172686.

It is an arithmetic number, because the mean of its divisors is an integer number (2889413280).

Almost surely, 257147415888 is an apocalyptic number.

It is an amenable number.

57147415888 is an abundant number, since it is smaller than the sum of its proper divisors (58429115312).

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

57147415888 is a wasteful number, since it uses less digits than its factorization.

57147415888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52939 (or 52933 counting only the distinct ones).

The product of its digits is 10035200, while the sum is 58.

The spelling of 57147415888 in words is "fifty-seven billion, one hundred forty-seven million, four hundred fifteen thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 23 46 92 184 368 3119 6238 12476 24952 49789 49904 71737 99578 143474 199156 286948 398312 573896 796624 1145147 1147792 2290294 4580588 9161176 18322352 155291891 310583782 621167564 1242335128 2484670256 3571713493 7143426986 14286853972 28573707944 57147415888