Base | Representation |
---|---|
bin | 110100101111101010… |
… | …101100110001110010 |
3 | 12102011221102101211112 |
4 | 310233222230301302 |
5 | 1411441340004313 |
6 | 42003433313322 |
7 | 4043310404564 |
oct | 645752546162 |
9 | 172157371745 |
10 | 56634297458 |
11 | 22022647a12 |
12 | ab86865842 |
13 | 545738241b |
14 | 2a53893334 |
15 | 17170228a8 |
hex | d2faacc72 |
56634297458 has 6 divisors (see below), whose sum is σ = 84951951021. Its totient is φ = 28316980452.
The previous prime is 56634297427. The next prime is 56634297463. The reversal of 56634297458 is 85479243665.
It can be written as a sum of positive squares in 2 ways, for example, as 42693064129 + 13941233329 = 206623^2 + 118073^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=168277.
It is a super-2 number, since 2×566342974582 (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 = 56634297397 and 56634297406.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 252416 + ... + 420692.
Almost surely, 256634297458 is an apocalyptic number.
56634297458 is a deficient number, since it is larger than the sum of its proper divisors (28317653563).
56634297458 is an frugal number, since it uses more digits than its factorization.
56634297458 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336556 (or 168279 counting only the distinct ones).
The product of its digits is 43545600, while the sum is 59.
The spelling of 56634297458 in words is "fifty-six billion, six hundred thirty-four million, two hundred ninety-seven thousand, four hundred fifty-eight".
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