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57097879075 = 522339802211
BaseRepresentation
bin110101001011010011…
…000111111000100011
312110101020201210021001
4311023103013320203
51413414024112300
642121433412431
74060636651516
oct651323077043
9173336653231
1057097879075
112224029a716
12b095b6a117
1354cc425c83
142a99288d7d
151742a9516a
hexd4b4c7e23

57097879075 has 12 divisors (see below), whose sum is σ = 71105245848. Its totient is φ = 45482254400.

The previous prime is 57097879057. The next prime is 57097879087.

57097879075 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 57097879075 - 27 = 57097878947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57097878998 and 57097879016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4895281 + ... + 4906930.

It is an arithmetic number, because the mean of its divisors is an integer number (5925437154).

Almost surely, 257097879075 is an apocalyptic number.

57097879075 is a deficient number, since it is larger than the sum of its proper divisors (14007366773).

57097879075 is a wasteful number, since it uses less digits than its factorization.

57097879075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9802454 (or 9802449 counting only the distinct ones).

The product of its (nonzero) digits is 38896200, while the sum is 64.

The spelling of 57097879075 in words is "fifty-seven billion, ninety-seven million, eight hundred seventy-nine thousand, seventy-five".

Divisors: 1 5 25 233 1165 5825 9802211 49011055 245055275 2283915163 11419575815 57097879075