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52500505280 = 265164064079
BaseRepresentation
bin110000111001010001…
…100010001011000000
312000111211222000000112
4300321101202023000
51330010112132110
640041324010452
73536003634416
oct607121421300
9160454860015
1052500505280
11202a1191743
12a212390a28
134c48b18152
1427808732b6
151574170405
hexc394622c0

52500505280 has 28 divisors (see below), whose sum is σ = 125016828960. Its totient is φ = 21000201984.

The previous prime is 52500505273. The next prime is 52500505301. The reversal of 52500505280 is 8250500525.

It is a super-3 number, since 3×525005052803 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82031720 + ... + 82032359.

Almost surely, 252500505280 is an apocalyptic number.

It is an amenable number.

52500505280 is an abundant number, since it is smaller than the sum of its proper divisors (72516323680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52500505280 is a wasteful number, since it uses less digits than its factorization.

52500505280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164064096 (or 164064086 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 52500505280 in words is "fifty-two billion, five hundred million, five hundred five thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 164064079 328128158 656256316 820320395 1312512632 1640640790 2625025264 3281281580 5250050528 6562563160 10500101056 13125126320 26250252640 52500505280