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87243445560 = 2335727028713
BaseRepresentation
bin101000101000000011…
…1010101010100111000
322100012010221020022110
41101100013111110320
52412133310224220
6104025025452320
76205655023455
oct1212007252470
9270163836273
1087243445560
1133aaa717a27
1214aa97a10a0
1382c49c6c8b
144318b8682c
152409374be0
hex14501d5538

87243445560 has 32 divisors (see below), whose sum is σ = 261730337040. Its totient is φ = 23264918784.

The previous prime is 87243445507. The next prime is 87243445571. The reversal of 87243445560 is 6554434278.

It is a super-2 number, since 2×872434455602 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363514237 + ... + 363514476.

Almost surely, 287243445560 is an apocalyptic number.

It is an amenable number.

87243445560 is an abundant number, since it is smaller than the sum of its proper divisors (174486891480).

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

87243445560 is a wasteful number, since it uses less digits than its factorization.

87243445560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727028727 (or 727028723 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 87243445560 in words is "eighty-seven billion, two hundred forty-three million, four hundred forty-five thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 727028713 1454057426 2181086139 2908114852 3635143565 4362172278 5816229704 7270287130 8724344556 10905430695 14540574260 17448689112 21810861390 29081148520 43621722780 87243445560