Search a number
-
+
56818260408 = 23371326015687
BaseRepresentation
bin110100111010101000…
…011101100110111000
312102122202120200120010
4310322220131212320
51412330433313113
642034004301520
74051003146660
oct647250354670
9172582520503
1056818260408
1122107477008
12b0183a18a0
135486513040
142a7009d1a0
1517282601c3
hexd3aa1d9b8

56818260408 has 64 divisors (see below), whose sum is σ = 174825423360. Its totient is φ = 14985035136.

The previous prime is 56818260407. The next prime is 56818260413. The reversal of 56818260408 is 80406281865.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56818260403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13005660 + ... + 13010027.

It is an arithmetic number, because the mean of its divisors is an integer number (2731647240).

Almost surely, 256818260408 is an apocalyptic number.

It is an amenable number.

56818260408 is an abundant number, since it is smaller than the sum of its proper divisors (118007162952).

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

56818260408 is a wasteful number, since it uses less digits than its factorization.

56818260408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26015716 (or 26015712 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 56818260408 in words is "fifty-six billion, eight hundred eighteen million, two hundred sixty thousand, four hundred eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 26015687 52031374 78047061 104062748 156094122 182109809 208125496 312188244 338203931 364219618 546329427 624376488 676407862 728439236 1014611793 1092658854 1352815724 1456878472 2029223586 2185317708 2367427517 2705631448 4058447172 4370635416 4734855034 7102282551 8116894344 9469710068 14204565102 18939420136 28409130204 56818260408