Base | Representation |
---|---|
bin | 110100010101000110… |
… | …110101011100100101 |
3 | 12101000212221002210122 |
4 | 310111012311130211 |
5 | 1410033301010130 |
6 | 41451314331325 |
7 | 4026256653251 |
oct | 642506653445 |
9 | 171025832718 |
10 | 56188688165 |
11 | 21914060075 |
12 | aa81589b45 |
13 | 53b5c6209c |
14 | 2a10619261 |
15 | 16dcd502e5 |
hex | d151b5725 |
56188688165 has 8 divisors (see below), whose sum is σ = 67816174968. Its totient is φ = 44691117760.
The previous prime is 56188688119. The next prime is 56188688177.
56188688165 is nontrivially palindromic in base 10.
56188688165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 21153084481 + 35035603684 = 145441^2 + 187178^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 56188688165 - 210 = 56188687141 is a prime.
It is a super-2 number, since 2×561886881652 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 56188688098 and 56188688107.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32478146 + ... + 32479875.
It is an arithmetic number, because the mean of its divisors is an integer number (8477021871).
Almost surely, 256188688165 is an apocalyptic number.
It is an amenable number.
56188688165 is a deficient number, since it is larger than the sum of its proper divisors (11627486803).
56188688165 is a wasteful number, since it uses less digits than its factorization.
56188688165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64958199.
The product of its digits is 22118400, while the sum is 62.
The spelling of 56188688165 in words is "fifty-six billion, one hundred eighty-eight million, six hundred eighty-eight thousand, one hundred sixty-five".
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