Search a number
-
+
56510651080 = 23513108674329
BaseRepresentation
bin110100101000010011…
…000001101011001000
312101212022202111220001
4310220103001223020
51411213211313310
641543255212344
74040246415532
oct645023015310
9171768674801
1056510651080
1121a69875624
12ab513770b4
13543787c8a0
142a412a8852
15170b24b93a
hexd284c1ac8

56510651080 has 32 divisors (see below), whose sum is σ = 136929655800. Its totient is φ = 20865470976.

The previous prime is 56510651069. The next prime is 56510651081. The reversal of 56510651080 is 8015601565.

It can be written as a sum of positive squares in 4 ways, for example, as 36613291716 + 19897359364 = 191346^2 + 141058^2 .

It is not an unprimeable number, because it can be changed into a prime (56510651081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54336645 + ... + 54337684.

Almost surely, 256510651080 is an apocalyptic number.

It is an amenable number.

56510651080 is an abundant number, since it is smaller than the sum of its proper divisors (80419004720).

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

56510651080 is a wasteful number, since it uses less digits than its factorization.

56510651080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108674353 (or 108674349 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 56510651080 in words is "fifty-six billion, five hundred ten million, six hundred fifty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 108674329 217348658 434697316 543371645 869394632 1086743290 1412766277 2173486580 2825532554 4346973160 5651065108 7063831385 11302130216 14127662770 28255325540 56510651080