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57058172652 = 223132571423181
BaseRepresentation
bin110101001000111011…
…101001111011101100
312110021111000111021210
4311020323221323230
51413323343011102
642113454354420
74056645315405
oct651073517354
9173244014253
1057058172652
112221a93a698
12b0847bba10
1354c4132c50
142a93cb09ac
15173e35036c
hexd48ee9eec

57058172652 has 48 divisors (see below), whose sum is σ = 143934934752. Its totient is φ = 17488035840.

The previous prime is 57058172651. The next prime is 57058172659. The reversal of 57058172652 is 25627185075.

It is not an unprimeable number, because it can be changed into a prime (57058172651) 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, 671499 + ... + 751682.

It is an arithmetic number, because the mean of its divisors is an integer number (2998644474).

Almost surely, 257058172652 is an apocalyptic number.

57058172652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57058172652 is an abundant number, since it is smaller than the sum of its proper divisors (86876762100).

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

57058172652 is a wasteful number, since it uses less digits than its factorization.

57058172652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423458 (or 1423456 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 57058172652 in words is "fifty-seven billion, fifty-eight million, one hundred seventy-two thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 257 514 771 1028 1542 3084 3341 6682 10023 13364 20046 40092 1423181 2846362 4269543 5692724 8539086 17078172 18501353 37002706 55504059 74005412 111008118 222016236 365757517 731515034 1097272551 1463030068 2194545102 4389090204 4754847721 9509695442 14264543163 19019390884 28529086326 57058172652