Base | Representation |
---|---|
bin | 101000111001011001… |
… | …1101111101011001000 |
3 | 22101200201012022221201 |
4 | 1101302303233223020 |
5 | 2414331312410120 |
6 | 104202501313544 |
7 | 6226253354530 |
oct | 1216263575310 |
9 | 271621168851 |
10 | 87825513160 |
11 | 34279237a30 |
12 | 150307058b4 |
13 | 8388484588 |
14 | 43721c24c0 |
15 | 24404ee40a |
hex | 1472cefac8 |
87825513160 has 64 divisors (see below), whose sum is σ = 246367681920. Its totient is φ = 27374184960.
The previous prime is 87825513157. The next prime is 87825513173. The reversal of 87825513160 is 6131552878.
It is a self number, because there is not a number n which added to its sum of digits gives 87825513160.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14254309 + ... + 14260468.
It is an arithmetic number, because the mean of its divisors is an integer number (3849495030).
Almost surely, 287825513160 is an apocalyptic number.
It is an amenable number.
87825513160 is an abundant number, since it is smaller than the sum of its proper divisors (158542168760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87825513160 is a wasteful number, since it uses less digits than its factorization.
87825513160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28514806 (or 28514802 counting only the distinct ones).
The product of its (nonzero) digits is 403200, while the sum is 46.
The spelling of 87825513160 in words is "eighty-seven billion, eight hundred twenty-five million, five hundred thirteen thousand, one hundred sixty".
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