Base | Representation |
---|---|
bin | 11010011111110100… |
… | …111101000100011110 |
3 | 2201102211001220021020 |
4 | 122133310331010132 |
5 | 431232010402000 |
6 | 21023105145010 |
7 | 2025022512621 |
oct | 323764750436 |
9 | 81384056236 |
10 | 28451262750 |
11 | 1107aaa5899 |
12 | 562032b166 |
13 | 28b556a421 |
14 | 153c899db8 |
15 | b17ba3ba0 |
hex | 69fd3d11e |
28451262750 has 64 divisors (see below), whose sum is σ = 71056956672. Its totient is φ = 7582452000.
The previous prime is 28451262743. The next prime is 28451262803. The reversal of 28451262750 is 5726215482.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1347777 + ... + 1368723.
It is an arithmetic number, because the mean of its divisors is an integer number (1110264948).
Almost surely, 228451262750 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28451262750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35528478336).
28451262750 is an abundant number, since it is smaller than the sum of its proper divisors (42605693922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28451262750 is a wasteful number, since it uses less digits than its factorization.
28451262750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22778 (or 22768 counting only the distinct ones).
The product of its (nonzero) digits is 268800, while the sum is 42.
The spelling of 28451262750 in words is "twenty-eight billion, four hundred fifty-one million, two hundred sixty-two thousand, seven hundred fifty".
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