Base | Representation |
---|---|
bin | 1001110100111101… |
… | …1110100000001000 |
3 | 20210212000100102222 |
4 | 2131033132200020 |
5 | 20400322030013 |
6 | 1113435113212 |
7 | 122242211234 |
oct | 23517364010 |
9 | 6725010388 |
10 | 2638080008 |
11 | 1134144613 |
12 | 6175a2808 |
13 | 3307168b5 |
14 | 1b05155c4 |
15 | 106903508 |
hex | 9d3de808 |
2638080008 has 16 divisors (see below), whose sum is σ = 4950606060. Its totient is φ = 1317918400.
The previous prime is 2638080007. The next prime is 2638080017. The reversal of 2638080008 is 8000808362.
It can be written as a sum of positive squares in 2 ways, for example, as 2638055044 + 24964 = 51362^2 + 158^2 .
It is a super-2 number, since 2×26380800082 = 13918932257218560128, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2638080008.
It is not an unprimeable number, because it can be changed into a prime (2638080007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130163 + ... + 149058.
Almost surely, 22638080008 is an apocalyptic number.
It is an amenable number.
2638080008 is a deficient number, since it is larger than the sum of its proper divisors (2312526052).
2638080008 is a wasteful number, since it uses less digits than its factorization.
2638080008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280408 (or 280404 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 2638080008 is about 51362.2430195567. The cubic root of 2638080008 is about 1381.7495153184.
The spelling of 2638080008 in words is "two billion, six hundred thirty-eight million, eighty thousand, eight".
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