Base | Representation |
---|---|
bin | 11010101111011000… |
… | …000011111101011111 |
3 | 2202002222221000222110 |
4 | 122233120003331133 |
5 | 432300300434010 |
6 | 21105024245103 |
7 | 2034341013033 |
oct | 325730037537 |
9 | 82088830873 |
10 | 28712124255 |
11 | 111a4277a11 |
12 | 5693770793 |
13 | 2927613849 |
14 | 15653a21c3 |
15 | b30a31120 |
hex | 6af603f5f |
28712124255 has 16 divisors (see below), whose sum is σ = 46269901440. Its totient is φ = 15202965408.
The previous prime is 28712124241. The next prime is 28712124263. The reversal of 28712124255 is 55242121782.
It is not a de Polignac number, because 28712124255 - 24 = 28712124239 is a prime.
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, 6883317 + ... + 6887486.
It is an arithmetic number, because the mean of its divisors is an integer number (2891868840).
Almost surely, 228712124255 is an apocalyptic number.
28712124255 is a deficient number, since it is larger than the sum of its proper divisors (17557777185).
28712124255 is a wasteful number, since it uses less digits than its factorization.
28712124255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13770950.
The product of its digits is 89600, while the sum is 39.
The spelling of 28712124255 in words is "twenty-eight billion, seven hundred twelve million, one hundred twenty-four thousand, two hundred fifty-five".
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