Base | Representation |
---|---|
bin | 101110001100… |
… | …001110001000 |
3 | 211210011222122 |
4 | 232030032020 |
5 | 11044434210 |
6 | 1111310412 |
7 | 204631163 |
oct | 56141610 |
9 | 24704878 |
10 | 12108680 |
11 | 6920481 |
12 | 407b408 |
13 | 267c5cc |
14 | 1872ada |
15 | 10e2b55 |
hex | b8c388 |
12108680 has 32 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 4794816.
The previous prime is 12108673. The next prime is 12108713. The reversal of 12108680 is 8680121.
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, 2651 + ... + 5589.
It is an arithmetic number, because the mean of its divisors is an integer number (859950).
Almost surely, 212108680 is an apocalyptic number.
12108680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12108680 is an abundant number, since it is smaller than the sum of its proper divisors (15409720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12108680 is a wasteful number, since it uses less digits than its factorization.
12108680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3053 (or 3049 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 26.
The square root of 12108680 is about 3479.7528647880. The cubic root of 12108680 is about 229.6319254533.
The spelling of 12108680 in words is "twelve million, one hundred eight thousand, six hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •