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57152424050 = 252338092
BaseRepresentation
bin110101001110100011…
…001100100001110010
312110112001100221220022
4311032203030201302
51414022010032200
642131102443442
74062201406001
oct651643144162
9173461327808
1057152424050
1122269065107
12b0b0293582
13550a812cc7
142aa2606c38
15174776b885
hexd4e8cc872

57152424050 has 18 divisors (see below), whose sum is σ = 106306653063. Its totient is φ = 22860293440.

The previous prime is 57152424037. The next prime is 57152424079. The reversal of 57152424050 is 5042425175.

It can be written as a sum of positive squares in 5 ways, for example, as 24072453409 + 33079970641 = 155153^2 + 181879^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=169045.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57152424050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1673546 + ... + 1707354.

Almost surely, 257152424050 is an apocalyptic number.

57152424050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57152424050 is a deficient number, since it is larger than the sum of its proper divisors (49154229013).

57152424050 is an frugal number, since it uses more digits than its factorization.

57152424050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67630 (or 33816 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 35.

The spelling of 57152424050 in words is "fifty-seven billion, one hundred fifty-two million, four hundred twenty-four thousand, fifty".

Divisors: 1 2 5 10 25 50 33809 67618 169045 338090 845225 1690450 1143048481 2286096962 5715242405 11430484810 28576212025 57152424050