Base | Representation |
---|---|
bin | 11010001000010001… |
… | …100111110111111111 |
3 | 2200102021112211002001 |
4 | 122020101213313333 |
5 | 424424331444202 |
6 | 20515552043131 |
7 | 2012154061405 |
oct | 321021476777 |
9 | 80367484061 |
10 | 28056124927 |
11 | 10997a50a06 |
12 | 552bb334a7 |
13 | 285173bc6c |
14 | 15021dd475 |
15 | ae3150d87 |
hex | 688467dff |
28056124927 has 2 divisors, whose sum is σ = 28056124928. Its totient is φ = 28056124926.
The previous prime is 28056124847. The next prime is 28056124931. The reversal of 28056124927 is 72942165082.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28056124927 - 211 = 28056122879 is a prime.
It is a super-2 number, since 2×280561249272 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28056124627) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14028062463 + 14028062464.
It is an arithmetic number, because the mean of its divisors is an integer number (14028062464).
Almost surely, 228056124927 is an apocalyptic number.
28056124927 is a deficient number, since it is larger than the sum of its proper divisors (1).
28056124927 is an equidigital number, since it uses as much as digits as its factorization.
28056124927 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 483840, while the sum is 46.
The spelling of 28056124927 in words is "twenty-eight billion, fifty-six million, one hundred twenty-four thousand, nine hundred twenty-seven".
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