Search a number
-
+
56407450885 = 5412647103951
BaseRepresentation
bin110100100010001001…
…010110010100000101
312101121010120101211121
4310202021112110011
51411010301412020
641525131233541
74034554264402
oct644211262405
9171533511747
1056407450885
1121a16598805
12ab228a88b1
13541c388596
142a316c32a9
151702163baa
hexd22256505

56407450885 has 16 divisors (see below), whose sum is σ = 69366753792. Its totient is φ = 44008272000.

The previous prime is 56407450837. The next prime is 56407450909. The reversal of 56407450885 is 58805470465.

It is a happy number.

It is not a de Polignac number, because 56407450885 - 211 = 56407448837 is a prime.

It is a Duffinian number.

It is a congruent 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, 490660 + ... + 594610.

It is an arithmetic number, because the mean of its divisors is an integer number (4335422112).

Almost surely, 256407450885 is an apocalyptic number.

It is an amenable number.

56407450885 is a deficient number, since it is larger than the sum of its proper divisors (12959302907).

56407450885 is a wasteful number, since it uses less digits than its factorization.

56407450885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106644.

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 56407450885 in words is "fifty-six billion, four hundred seven million, four hundred fifty thousand, eight hundred eighty-five".

Divisors: 1 5 41 205 2647 13235 103951 108527 519755 542635 4261991 21309955 275158297 1375791485 11281490177 56407450885