Base | Representation |
---|---|
bin | 110000010101… |
… | …111010101000 |
3 | 212211211122112 |
4 | 300111322220 |
5 | 11221011210 |
6 | 1131341452 |
7 | 212500406 |
oct | 60257250 |
9 | 25754575 |
10 | 12672680 |
11 | 7176199 |
12 | 42b1888 |
13 | 2819237 |
14 | 197c476 |
15 | 11a4d05 |
hex | c15ea8 |
12672680 has 16 divisors (see below), whose sum is σ = 28513620. Its totient is φ = 5069056.
The previous prime is 12672679. The next prime is 12672691. The reversal of 12672680 is 8627621.
It can be written as a sum of positive squares in 2 ways, for example, as 12517444 + 155236 = 3538^2 + 394^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158369 + ... + 158448.
Almost surely, 212672680 is an apocalyptic number.
12672680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12672680 is an abundant number, since it is smaller than the sum of its proper divisors (15840940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12672680 is a wasteful number, since it uses less digits than its factorization.
12672680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 316828 (or 316824 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 12672680 is about 3559.8707841718. The cubic root of 12672680 is about 233.1432374618.
The spelling of 12672680 in words is "twelve million, six hundred seventy-two thousand, six hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •