Base | Representation |
---|---|
bin | 11010100111000011… |
… | …101001111001001011 |
3 | 2201202021022021112020 |
4 | 122213003221321023 |
5 | 432004033310000 |
6 | 21043121015523 |
7 | 2031024504042 |
oct | 324703517113 |
9 | 81667267466 |
10 | 28572556875 |
11 | 11132510975 |
12 | 5654a845a3 |
13 | 29047283b5 |
14 | 1550a31559 |
15 | b23662ba0 |
hex | 6a70e9e4b |
28572556875 has 40 divisors (see below), whose sum is σ = 48412752960. Its totient is φ = 14980356000.
The previous prime is 28572556847. The next prime is 28572556919. The reversal of 28572556875 is 57865527582.
It is not a de Polignac number, because 28572556875 - 25 = 28572556843 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18517 + ... + 239766.
It is an arithmetic number, because the mean of its divisors is an integer number (1210318824).
Almost surely, 228572556875 is an apocalyptic number.
28572556875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28572556875 is a deficient number, since it is larger than the sum of its proper divisors (19840196085).
28572556875 is an equidigital number, since it uses as much as digits as its factorization.
28572556875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258365 (or 258350 counting only the distinct ones).
The product of its digits is 47040000, while the sum is 60.
The spelling of 28572556875 in words is "twenty-eight billion, five hundred seventy-two million, five hundred fifty-six thousand, eight hundred seventy-five".
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