Search a number
-
+
56956532178 = 23713104315993
BaseRepresentation
bin110101000010110111…
…111011010111010010
312110000101202121202210
4311002313323113102
51413121333012203
642055424052550
74054302351450
oct650267732722
9173011677683
1056956532178
11221785286a7
12b056764156
1354a9066860
142a845b39d0
151735474803
hexd42dfb5d2

56956532178 has 32 divisors (see below), whose sum is σ = 140200695936. Its totient is φ = 15021502848.

The previous prime is 56956532147. The next prime is 56956532183. The reversal of 56956532178 is 87123565965.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52157451 + ... + 52158542.

It is an arithmetic number, because the mean of its divisors is an integer number (4381271748).

Almost surely, 256956532178 is an apocalyptic number.

56956532178 is an abundant number, since it is smaller than the sum of its proper divisors (83244163758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56956532178 is a wasteful number, since it uses less digits than its factorization.

56956532178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104316018.

The product of its digits is 13608000, while the sum is 57.

The spelling of 56956532178 in words is "fifty-six billion, nine hundred fifty-six million, five hundred thirty-two thousand, one hundred seventy-eight".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 104315993 208631986 312947979 625895958 730211951 1356107909 1460423902 2190635853 2712215818 4068323727 4381271706 8136647454 9492755363 18985510726 28478266089 56956532178