Search a number
-
+
56837386628 = 221121710196779
BaseRepresentation
bin110100111011110001…
…011011000110000100
312102201002120101210122
4310323301123012010
51412400332333003
642035530241112
74051324546361
oct647361330604
9172632511718
1056837386628
112211724a900
12b022886198
13548a47b829
142a7283b468
151729c8c238
hexd3bc5b184

56837386628 has 72 divisors (see below), whose sum is σ = 115891624800. Its totient is φ = 24288014080.

The previous prime is 56837386621. The next prime is 56837386651. The reversal of 56837386628 is 82668373865.

56837386628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56837386621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8380943 + ... + 8387721.

It is an arithmetic number, because the mean of its divisors is an integer number (1609605900).

Almost surely, 256837386628 is an apocalyptic number.

It is an amenable number.

56837386628 is an abundant number, since it is smaller than the sum of its proper divisors (59054238172).

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

56837386628 is a wasteful number, since it uses less digits than its factorization.

56837386628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841 (or 7828 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 62.

The spelling of 56837386628 in words is "fifty-six billion, eight hundred thirty-seven million, three hundred eighty-six thousand, six hundred twenty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 121 187 242 374 484 748 1019 2038 2057 4076 4114 6779 8228 11209 13558 17323 22418 27116 34646 44836 69292 74569 115243 123299 149138 190553 230486 246598 298276 381106 460972 493196 762212 820259 1267673 1640518 2096083 2535346 3281036 4192166 5070692 6907801 8384332 13815602 13944403 27631204 27888806 55777612 75985811 117432617 151971622 234865234 303943244 469730468 835843921 1291758787 1671687842 2583517574 3343375684 5167035148 14209346657 28418693314 56837386628