Base | Representation |
---|---|
bin | 11010010100001001… |
… | …011011110111010111 |
3 | 2200221011100020000021 |
4 | 122110021123313113 |
5 | 430331324231200 |
6 | 20551425130011 |
7 | 2020123063006 |
oct | 322411336727 |
9 | 80834306007 |
10 | 28255305175 |
11 | 10a8a423a89 |
12 | 5586789907 |
13 | 2883a9a0b6 |
14 | 152084ac3d |
15 | b0589741a |
hex | 69425bdd7 |
28255305175 has 48 divisors (see below), whose sum is σ = 39585814560. Its totient is φ = 19878359040.
The previous prime is 28255305157. The next prime is 28255305181. The reversal of 28255305175 is 57150355282.
It is not a de Polignac number, because 28255305175 - 219 = 28254780887 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 565509 + ... + 613441.
It is an arithmetic number, because the mean of its divisors is an integer number (824704470).
Almost surely, 228255305175 is an apocalyptic number.
28255305175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28255305175 is a deficient number, since it is larger than the sum of its proper divisors (11330509385).
28255305175 is a wasteful number, since it uses less digits than its factorization.
28255305175 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48052 (or 48047 counting only the distinct ones).
The product of its (nonzero) digits is 420000, while the sum is 43.
The spelling of 28255305175 in words is "twenty-eight billion, two hundred fifty-five million, three hundred five thousand, one hundred seventy-five".
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