Search a number
-
+
57640033868 = 2261236229647
BaseRepresentation
bin110101101011100111…
…010001111001001100
312111210000220002211012
4311223213101321030
51421021322040433
642251321544352
74110242126654
oct655347217114
9174700802735
1057640033868
112249932962a
12b2076450b8
13558784a621
142b0b295364
151775488848
hexd6b9d1e4c

57640033868 has 12 divisors (see below), whose sum is σ = 102523667232. Its totient is φ = 28347557520.

The previous prime is 57640033849. The next prime is 57640033883. The reversal of 57640033868 is 86833004675.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118114580 + ... + 118115067.

It is an arithmetic number, because the mean of its divisors is an integer number (8543638936).

Almost surely, 257640033868 is an apocalyptic number.

It is an amenable number.

57640033868 is a deficient number, since it is larger than the sum of its proper divisors (44883633364).

57640033868 is a wasteful number, since it uses less digits than its factorization.

57640033868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236229712 (or 236229710 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 57640033868 in words is "fifty-seven billion, six hundred forty million, thirty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 61 122 244 236229647 472459294 944918588 14410008467 28820016934 57640033868