Base | Representation |
---|---|
bin | 10111100110101110… |
… | …00110100110010010 |
3 | 1012201012012201002110 |
4 | 23303113012212102 |
5 | 201423222320133 |
6 | 5453303130150 |
7 | 626021325300 |
oct | 136327064622 |
9 | 35635181073 |
10 | 12672854418 |
11 | 5413550104 |
12 | 2558143956 |
13 | 126c68b233 |
14 | 88312b270 |
15 | 4e287ec63 |
hex | 2f35c6992 |
12672854418 has 48 divisors (see below), whose sum is σ = 29493133344. Its totient is φ = 3619667520.
The previous prime is 12672854407. The next prime is 12672854431. The reversal of 12672854418 is 81445827621.
It is a happy number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1447113 + ... + 1455843.
It is an arithmetic number, because the mean of its divisors is an integer number (614440278).
Almost surely, 212672854418 is an apocalyptic number.
12672854418 is an abundant number, since it is smaller than the sum of its proper divisors (16820278926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12672854418 is a wasteful number, since it uses less digits than its factorization.
12672854418 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13687 (or 13680 counting only the distinct ones).
The product of its digits is 860160, while the sum is 48.
The spelling of 12672854418 in words is "twelve billion, six hundred seventy-two million, eight hundred fifty-four thousand, four hundred eighteen".
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