Base | Representation |
---|---|
bin | 11010100101011101… |
… | …100110100110111100 |
3 | 2201200101222010111010 |
4 | 122211131212212330 |
5 | 431430211222412 |
6 | 21040323355220 |
7 | 2030251223334 |
oct | 324535464674 |
9 | 81611863433 |
10 | 28545804732 |
11 | 111193a9665 |
12 | 5647b22b10 |
13 | 28cc01c823 |
14 | 154b26a0c4 |
15 | b2112b33c |
hex | 6a57669bc |
28545804732 has 192 divisors, whose sum is σ = 72077164544. Its totient is φ = 8778792960.
The previous prime is 28545804713. The next prime is 28545804751. The reversal of 28545804732 is 23740854582.
It is an interprime number because it is at equal distance from previous prime (28545804713) and next prime (28545804751).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147905628 + ... + 147905820.
Almost surely, 228545804732 is an apocalyptic number.
It is an amenable number.
28545804732 is an abundant number, since it is smaller than the sum of its proper divisors (43531359812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28545804732 is a wasteful number, since it uses less digits than its factorization.
28545804732 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 468 (or 466 counting only the distinct ones).
The product of its (nonzero) digits is 2150400, while the sum is 48.
The spelling of 28545804732 in words is "twenty-eight billion, five hundred forty-five million, eight hundred four thousand, seven hundred thirty-two".
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