Base | Representation |
---|---|
bin | 101000101000000011… |
… | …1010101010100111000 |
3 | 22100012010221020022110 |
4 | 1101100013111110320 |
5 | 2412133310224220 |
6 | 104025025452320 |
7 | 6205655023455 |
oct | 1212007252470 |
9 | 270163836273 |
10 | 87243445560 |
11 | 33aaa717a27 |
12 | 14aa97a10a0 |
13 | 82c49c6c8b |
14 | 4318b8682c |
15 | 2409374be0 |
hex | 14501d5538 |
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".
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