Search a number
-
+
57168565556 = 2231461036819
BaseRepresentation
bin110101001111100000…
…110001010100110100
312110120011202000212212
4311033200301110310
51414040123044211
642132440432552
74062455534534
oct651740612464
9173504660785
1057168565556
112227718a4a3
12b0b5778758
135510c750ab
142aa48094c4
151748da938b
hexd4f831534

57168565556 has 12 divisors (see below), whose sum is σ = 103272247680. Its totient is φ = 27662209080.

The previous prime is 57168565523. The next prime is 57168565567. The reversal of 57168565556 is 65556586175.

It is a junction number, because it is equal to n+sod(n) for n = 57168565495 and 57168565504.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 230518286 + ... + 230518533.

It is an arithmetic number, because the mean of its divisors is an integer number (8606020640).

Almost surely, 257168565556 is an apocalyptic number.

It is an amenable number.

57168565556 is a deficient number, since it is larger than the sum of its proper divisors (46103682124).

57168565556 is a wasteful number, since it uses less digits than its factorization.

57168565556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461036854 (or 461036852 counting only the distinct ones).

The product of its digits is 37800000, while the sum is 59.

The spelling of 57168565556 in words is "fifty-seven billion, one hundred sixty-eight million, five hundred sixty-five thousand, five hundred fifty-six".

Divisors: 1 2 4 31 62 124 461036819 922073638 1844147276 14292141389 28584282778 57168565556