Base | Representation |
---|---|
bin | 110000010101… |
… | …110010010000 |
3 | 212211210220200 |
4 | 300111302100 |
5 | 11221002034 |
6 | 1131335200 |
7 | 212466012 |
oct | 60256220 |
9 | 25753820 |
10 | 12672144 |
11 | 7175851 |
12 | 42b1500 |
13 | 2818c14 |
14 | 197c1b2 |
15 | 11a4a99 |
hex | c15c90 |
12672144 has 30 divisors (see below), whose sum is σ = 35464806. Its totient is φ = 4224000.
The previous prime is 12672139. The next prime is 12672161. The reversal of 12672144 is 44127621.
It can be written as a sum of positive squares in only one way, i.e., 6969600 + 5702544 = 2640^2 + 2388^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43857 + ... + 44144.
Almost surely, 212672144 is an apocalyptic number.
It is an amenable number.
12672144 is an abundant number, since it is smaller than the sum of its proper divisors (22792662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12672144 is a wasteful number, since it uses less digits than its factorization.
12672144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88015 (or 88006 counting only the distinct ones).
The product of its digits is 2688, while the sum is 27.
The square root of 12672144 is about 3559.7954997443. The cubic root of 12672144 is about 233.1399504292.
Adding to 12672144 its reverse (44127621), we get a palindrome (56799765).
The spelling of 12672144 in words is "twelve million, six hundred seventy-two thousand, one hundred forty-four".
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