Base | Representation |
---|---|
bin | 101000100110110001… |
… | …1110001000111011100 |
3 | 22100002011020211001020 |
4 | 1101031203301013130 |
5 | 2412041321132042 |
6 | 104020454444140 |
7 | 6204624411363 |
oct | 1211543610734 |
9 | 270064224036 |
10 | 87200567772 |
11 | 33a884a123a |
12 | 14a97363650 |
13 | 82b8b635c6 |
14 | 43131c47da |
15 | 24057053ec |
hex | 144d8f11dc |
87200567772 has 48 divisors (see below), whose sum is σ = 204588169632. Its totient is φ = 28906958080.
The previous prime is 87200567749. The next prime is 87200567803. The reversal of 87200567772 is 27776500278.
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, 6756958 + ... + 6769850.
It is an arithmetic number, because the mean of its divisors is an integer number (4262253534).
Almost surely, 287200567772 is an apocalyptic number.
It is an amenable number.
87200567772 is an abundant number, since it is smaller than the sum of its proper divisors (117387601860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87200567772 is a wasteful number, since it uses less digits than its factorization.
87200567772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15958 (or 15956 counting only the distinct ones).
The product of its (nonzero) digits is 2304960, while the sum is 51.
The spelling of 87200567772 in words is "eighty-seven billion, two hundred million, five hundred sixty-seven thousand, seven hundred seventy-two".
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