Base | Representation |
---|---|
bin | 1100111110010101011000… |
… | …10010000010100001101101 |
3 | 10202000110002011020220200200 |
4 | 12133022230102002201231 |
5 | 12214414032134041000 |
6 | 140402310255544113 |
7 | 6003141363561240 |
oct | 637125422024155 |
9 | 122013064226620 |
10 | 28530063190125 |
11 | 90aa593991442 |
12 | 324939852b039 |
13 | 12bc4b1513a53 |
14 | 708c106d7257 |
15 | 3471ebd8b500 |
hex | 19f2ac48286d |
28530063190125 has 96 divisors (see below), whose sum is σ = 58786754158080. Its totient is φ = 13040231097600.
The previous prime is 28530063190121. The next prime is 28530063190141. The reversal of 28530063190125 is 52109136003582.
28530063190125 is a `hidden beast` number, since 2 + 8 + 5 + 3 + 0 + 0 + 631 + 9 + 0 + 1 + 2 + 5 = 666.
It is not a de Polignac number, because 28530063190125 - 22 = 28530063190121 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28530063190121) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49554664 + ... + 50127086.
It is an arithmetic number, because the mean of its divisors is an integer number (612362022480).
Almost surely, 228530063190125 is an apocalyptic number.
28530063190125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
28530063190125 is an abundant number, since it is smaller than the sum of its proper divisors (30256690967955).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28530063190125 is a wasteful number, since it uses less digits than its factorization.
28530063190125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 578780 (or 578767 counting only the distinct ones).
The product of its (nonzero) digits is 388800, while the sum is 45.
The spelling of 28530063190125 in words is "twenty-eight trillion, five hundred thirty billion, sixty-three million, one hundred ninety thousand, one hundred twenty-five".
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