Base | Representation |
---|---|
bin | 101000100100011001… |
… | …1100000100010101110 |
3 | 22022212121011121100200 |
4 | 1101020303200202232 |
5 | 2411410411324420 |
6 | 104004525134330 |
7 | 6202635436050 |
oct | 1211063404256 |
9 | 268777147320 |
10 | 87120808110 |
11 | 33a47474666 |
12 | 14a746ba3a6 |
13 | 82a548873b |
14 | 43067818d0 |
15 | 23ed6ecb90 |
hex | 1448ce08ae |
87120808110 has 96 divisors (see below), whose sum is σ = 272498204160. Its totient is φ = 18865255104.
The previous prime is 87120808097. The next prime is 87120808183. The reversal of 87120808110 is 1180802178.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3627162 + ... + 3651101.
It is an arithmetic number, because the mean of its divisors is an integer number (2838522960).
Almost surely, 287120808110 is an apocalyptic number.
87120808110 is an abundant number, since it is smaller than the sum of its proper divisors (185377396050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87120808110 is a wasteful number, since it uses less digits than its factorization.
87120808110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7278302 (or 7278299 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 36.
The spelling of 87120808110 in words is "eighty-seven billion, one hundred twenty million, eight hundred eight thousand, one hundred ten".
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