Base | Representation |
---|---|
bin | 110100100010001001… |
… | …010110010100000101 |
3 | 12101121010120101211121 |
4 | 310202021112110011 |
5 | 1411010301412020 |
6 | 41525131233541 |
7 | 4034554264402 |
oct | 644211262405 |
9 | 171533511747 |
10 | 56407450885 |
11 | 21a16598805 |
12 | ab228a88b1 |
13 | 541c388596 |
14 | 2a316c32a9 |
15 | 1702163baa |
hex | d22256505 |
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".
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