Base | Representation |
---|---|
bin | 101000101001010110… |
… | …1110011101000010000 |
3 | 22100022012001101011122 |
4 | 1101102231303220100 |
5 | 2412230443214314 |
6 | 104033225101412 |
7 | 6210024662036 |
oct | 1212255635020 |
9 | 270265041148 |
10 | 87287085584 |
11 | 34022314366 |
12 | 14b00327868 |
13 | 8300a6658a |
14 | 43208a6556 |
15 | 240d0e528e |
hex | 1452b73a10 |
87287085584 has 20 divisors (see below), whose sum is σ = 178019714640. Its totient is φ = 41346514080.
The previous prime is 87287085491. The next prime is 87287085643. The reversal of 87287085584 is 48558078278.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143563982 + ... + 143564589.
It is an arithmetic number, because the mean of its divisors is an integer number (8900985732).
Almost surely, 287287085584 is an apocalyptic number.
It is an amenable number.
87287085584 is an abundant number, since it is smaller than the sum of its proper divisors (90732629056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87287085584 is a wasteful number, since it uses less digits than its factorization.
87287085584 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287128598 (or 287128592 counting only the distinct ones).
The product of its (nonzero) digits is 40140800, while the sum is 62.
The spelling of 87287085584 in words is "eighty-seven billion, two hundred eighty-seven million, eighty-five thousand, five hundred eighty-four".
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