Search a number
-
+
57143630866 = 2738910492771
BaseRepresentation
bin110101001110000001…
…101001110000010010
312110111102211012220211
4311032001221300102
51414012232141431
642130150154334
74062033563620
oct651601516022
9173442735824
1057143630866
11222640a9713
12b0a93529aa
135508a5483a
142aa1398510
151746ad12b1
hexd4e069c12

57143630866 has 16 divisors (see below), whose sum is σ = 98212345920. Its totient is φ = 24427168560.

The previous prime is 57143630857. The next prime is 57143630881. The reversal of 57143630866 is 66803634175.

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, 5240940 + ... + 5251831.

It is an arithmetic number, because the mean of its divisors is an integer number (6138271620).

Almost surely, 257143630866 is an apocalyptic number.

57143630866 is a deficient number, since it is larger than the sum of its proper divisors (41068715054).

57143630866 is a wasteful number, since it uses less digits than its factorization.

57143630866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10493169.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 57143630866 in words is "fifty-seven billion, one hundred forty-three million, six hundred thirty thousand, eight hundred sixty-six".

Divisors: 1 2 7 14 389 778 2723 5446 10492771 20985542 73449397 146898794 4081687919 8163375838 28571815433 57143630866