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28545804732 = 223374361127193
BaseRepresentation
bin11010100101011101…
…100110100110111100
32201200101222010111010
4122211131212212330
5431430211222412
621040323355220
72030251223334
oct324535464674
981611863433
1028545804732
11111193a9665
125647b22b10
1328cc01c823
14154b26a0c4
15b2112b33c
hex6a57669bc

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".