Base | Representation |
---|---|
bin | 1100111000110… |
… | …00111111010000 |
3 | 21112102100010002 |
4 | 12130120333100 |
5 | 210133340210 |
6 | 14421025132 |
7 | 2451611624 |
oct | 634307720 |
9 | 245370102 |
10 | 108105680 |
11 | 56028441 |
12 | 302551a8 |
13 | 19521077 |
14 | 10501184 |
15 | 97564a5 |
hex | 6718fd0 |
108105680 has 40 divisors (see below), whose sum is σ = 259459584. Its totient is φ = 41846400.
The previous prime is 108105677. The next prime is 108105691. The reversal of 108105680 is 86501801.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19316 + ... + 24275.
Almost surely, 2108105680 is an apocalyptic number.
108105680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
108105680 is an abundant number, since it is smaller than the sum of its proper divisors (151353904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108105680 is a wasteful number, since it uses less digits than its factorization.
108105680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43635 (or 43629 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 29.
The square root of 108105680 is about 10397.3881335651. The cubic root of 108105680 is about 476.3755950861.
The spelling of 108105680 in words is "one hundred eight million, one hundred five thousand, six hundred eighty".
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