Base | Representation |
---|---|
bin | 1101110010111… |
… | …00000111101000 |
3 | 22001202012221010 |
4 | 12321130013220 |
5 | 214111030210 |
6 | 15252143520 |
7 | 2603416035 |
oct | 671340750 |
9 | 261665833 |
10 | 115720680 |
11 | 5a359729 |
12 | 32907ba0 |
13 | 1ac8919a |
14 | 1152438c |
15 | a25c920 |
hex | 6e5c1e8 |
115720680 has 32 divisors (see below), whose sum is σ = 347162400. Its totient is φ = 30858816.
The previous prime is 115720679. The next prime is 115720711. The reversal of 115720680 is 86027511.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 482050 + ... + 482289.
It is an arithmetic number, because the mean of its divisors is an integer number (10848825).
Almost surely, 2115720680 is an apocalyptic number.
115720680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
115720680 is an abundant number, since it is smaller than the sum of its proper divisors (231441720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115720680 is a wasteful number, since it uses less digits than its factorization.
115720680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 964353 (or 964349 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 115720680 is about 10757.3546934179. The cubic root of 115720680 is about 487.3081322536.
The spelling of 115720680 in words is "one hundred fifteen million, seven hundred twenty thousand, six hundred eighty".
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