Base | Representation |
---|---|
bin | 110100101100001011… |
… | …000101111000001001 |
3 | 12102000212010022210220 |
4 | 310230023011320021 |
5 | 1411331333230014 |
6 | 41553541100253 |
7 | 4041666226332 |
oct | 645413057011 |
9 | 172025108726 |
10 | 56575680009 |
11 | 21aa2550842 |
12 | ab6b0b7689 |
13 | 544819a844 |
14 | 2a49b95289 |
15 | 1711ce46a9 |
hex | d2c2c5e09 |
56575680009 has 32 divisors (see below), whose sum is σ = 80414208000. Its totient is φ = 35257635072.
The previous prime is 56575679989. The next prime is 56575680013. The reversal of 56575680009 is 90008657565.
It is not a de Polignac number, because 56575680009 - 28 = 56575679753 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (56575680089) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17023822 + ... + 17027144.
It is an arithmetic number, because the mean of its divisors is an integer number (2512944000).
Almost surely, 256575680009 is an apocalyptic number.
It is an amenable number.
56575680009 is a deficient number, since it is larger than the sum of its proper divisors (23838527991).
56575680009 is a wasteful number, since it uses less digits than its factorization.
56575680009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5509.
The product of its (nonzero) digits is 2268000, while the sum is 51.
The spelling of 56575680009 in words is "fifty-six billion, five hundred seventy-five million, six hundred eighty thousand, nine".
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