Base | Representation |
---|---|
bin | 11010100101101101… |
… | …111000111110011011 |
3 | 2201200201000001012001 |
4 | 122211231320332123 |
5 | 431432304334032 |
6 | 21040555101431 |
7 | 2030332425061 |
oct | 324555707633 |
9 | 81621001161 |
10 | 28550074267 |
11 | 11120855400 |
12 | 5649441877 |
13 | 28ccb85c90 |
14 | 154ba5c031 |
15 | b216c13e7 |
hex | 6a5b78f9b |
28550074267 has 12 divisors (see below), whose sum is σ = 33795448960. Its totient is φ = 23958102960.
The previous prime is 28550074243. The next prime is 28550074279. The reversal of 28550074267 is 76247005582.
It is not a de Polignac number, because 28550074267 - 211 = 28550072219 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28550074207) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9073467 + ... + 9076612.
Almost surely, 228550074267 is an apocalyptic number.
28550074267 is a deficient number, since it is larger than the sum of its proper divisors (5245374693).
28550074267 is a wasteful number, since it uses less digits than its factorization.
28550074267 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18150114 (or 18150103 counting only the distinct ones).
The product of its (nonzero) digits is 940800, while the sum is 46.
The spelling of 28550074267 in words is "twenty-eight billion, five hundred fifty million, seventy-four thousand, two hundred sixty-seven".
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