Base | Representation |
---|---|
bin | 110001010101… |
… | …000001100010 |
3 | 220022222020020 |
4 | 301111001202 |
5 | 11302244140 |
6 | 1141054310 |
7 | 214625130 |
oct | 61250142 |
9 | 26288206 |
10 | 12931170 |
11 | 733241a |
12 | 43b7396 |
13 | 28a9aa5 |
14 | 1a08750 |
15 | 12066d0 |
hex | c55062 |
12931170 has 64 divisors (see below), whose sum is σ = 35804160. Its totient is φ = 2927808.
The previous prime is 12931133. The next prime is 12931181. The reversal of 12931170 is 7113921.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12931170.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28969 + ... + 29411.
It is an arithmetic number, because the mean of its divisors is an integer number (559440).
Almost surely, 212931170 is an apocalyptic number.
12931170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12931170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17902080).
12931170 is an abundant number, since it is smaller than the sum of its proper divisors (22872990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12931170 is a wasteful number, since it uses less digits than its factorization.
12931170 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 599.
The product of its (nonzero) digits is 378, while the sum is 24.
The square root of 12931170 is about 3595.9936039988. The cubic root of 12931170 is about 234.7177537958.
The spelling of 12931170 in words is "twelve million, nine hundred thirty-one thousand, one hundred seventy".
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