Base | Representation |
---|---|
bin | 101000110111011111… |
… | …1001100110010111000 |
3 | 22101112020120102001102 |
4 | 1101232333030302320 |
5 | 2414213410012120 |
6 | 104152251310532 |
7 | 6224544436550 |
oct | 1215677146270 |
9 | 271466512042 |
10 | 87761407160 |
11 | 34246032169 |
12 | 1501314b448 |
13 | 83780ca72b |
14 | 4367896160 |
15 | 2439a89d75 |
hex | 146efcccb8 |
87761407160 has 64 divisors (see below), whose sum is σ = 225768841920. Its totient is φ = 30076738560.
The previous prime is 87761407099. The next prime is 87761407187. The reversal of 87761407160 is 6170416778.
It is a happy number.
It is a congruent number.
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, 599630 + ... + 731490.
It is an arithmetic number, because the mean of its divisors is an integer number (3527638155).
Almost surely, 287761407160 is an apocalyptic number.
It is an amenable number.
87761407160 is an abundant number, since it is smaller than the sum of its proper divisors (138007434760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87761407160 is a wasteful number, since it uses less digits than its factorization.
87761407160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134256 (or 134252 counting only the distinct ones).
The product of its (nonzero) digits is 395136, while the sum is 47.
The spelling of 87761407160 in words is "eighty-seven billion, seven hundred sixty-one million, four hundred seven thousand, one hundred sixty".
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