Base | Representation |
---|---|
bin | 101000111001101111… |
… | …1011101011010000100 |
3 | 22101201111202112110020 |
4 | 1101303133131122010 |
5 | 2414342231111201 |
6 | 104203551055140 |
7 | 6226452643305 |
oct | 1216337353204 |
9 | 271644675406 |
10 | 87836972676 |
11 | 34284754702 |
12 | 150345114b0 |
13 | 838a96755b |
14 | 43739267ac |
15 | 2441514a36 |
hex | 14737dd684 |
87836972676 has 48 divisors (see below), whose sum is σ = 213969485184. Its totient is φ = 27992169216.
The previous prime is 87836972651. The next prime is 87836972681. The reversal of 87836972676 is 67627963878.
It is a Harshad number since it is a multiple of its sum of digits (69).
It is a self number, because there is not a number n which added to its sum of digits gives 87836972676.
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, 489120 + ... + 644136.
It is an arithmetic number, because the mean of its divisors is an integer number (4457697608).
Almost surely, 287836972676 is an apocalyptic number.
It is an amenable number.
87836972676 is an abundant number, since it is smaller than the sum of its proper divisors (126132512508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87836972676 is a wasteful number, since it uses less digits than its factorization.
87836972676 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157100 (or 157098 counting only the distinct ones).
The product of its digits is 256048128, while the sum is 69.
The spelling of 87836972676 in words is "eighty-seven billion, eight hundred thirty-six million, nine hundred seventy-two thousand, six hundred seventy-six".
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