Base | Representation |
---|---|
bin | 11010001000010010… |
… | …010101001001010000 |
3 | 2200102021220020102122 |
4 | 122020102111021100 |
5 | 424424403412402 |
6 | 20520000033412 |
7 | 2012155463120 |
oct | 321022251120 |
9 | 80367806378 |
10 | 28056310352 |
11 | 10998068254 |
12 | 5530002868 |
13 | 28517a5495 |
14 | 150224ac80 |
15 | ae318aca2 |
hex | 688495250 |
28056310352 has 20 divisors (see below), whose sum is σ = 62124687456. Its totient is φ = 12024132960.
The previous prime is 28056310327. The next prime is 28056310357. The reversal of 28056310352 is 25301365082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28056310357) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125251274 + ... + 125251497.
Almost surely, 228056310352 is an apocalyptic number.
It is an amenable number.
28056310352 is an abundant number, since it is smaller than the sum of its proper divisors (34068377104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28056310352 is a wasteful number, since it uses less digits than its factorization.
28056310352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250502786 (or 250502780 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 35.
The spelling of 28056310352 in words is "twenty-eight billion, fifty-six million, three hundred ten thousand, three hundred fifty-two".
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