Search a number
-
+
56564016460 = 2257404028689
BaseRepresentation
bin110100101011011110…
…100110010101001100
312102000001011202102121
4310223132212111030
51411320342011320
641552443102324
74041465130660
oct645336462514
9172001152377
1056564016460
1121a96a04846
12ab672119a4
135445945a33
142a483da8a0
151710c8d8aa
hexd2b7a654c

56564016460 has 24 divisors (see below), whose sum is σ = 135753639840. Its totient is φ = 19393377024.

The previous prime is 56564016451. The next prime is 56564016469. The reversal of 56564016460 is 6461046565.

It is an interprime number because it is at equal distance from previous prime (56564016451) and next prime (56564016469).

It is not an unprimeable number, because it can be changed into a prime (56564016469) 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 7 ways as a sum of consecutive naturals, for example, 202014205 + ... + 202014484.

It is an arithmetic number, because the mean of its divisors is an integer number (5656401660).

Almost surely, 256564016460 is an apocalyptic number.

It is an amenable number.

56564016460 is an abundant number, since it is smaller than the sum of its proper divisors (79189623380).

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

56564016460 is a wasteful number, since it uses less digits than its factorization.

56564016460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404028705 (or 404028703 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 56564016460 in words is "fifty-six billion, five hundred sixty-four million, sixteen thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 404028689 808057378 1616114756 2020143445 2828200823 4040286890 5656401646 8080573780 11312803292 14141004115 28282008230 56564016460