Base | Representation |
---|---|
bin | 10111100111111110… |
… | …11001101100000100 |
3 | 1012201221002102010000 |
4 | 23303333121230010 |
5 | 201433423341442 |
6 | 5454321401300 |
7 | 626210164062 |
oct | 136377315404 |
9 | 35657072100 |
10 | 12683418372 |
11 | 5419505a49 |
12 | 255b799230 |
13 | 12719196b1 |
14 | 8846bb032 |
15 | 4e3769d4c |
hex | 2f3fd9b04 |
12683418372 has 120 divisors (see below), whose sum is σ = 33582940160. Its totient is φ = 4173845760.
The previous prime is 12683418343. The next prime is 12683418373. The reversal of 12683418372 is 27381438621.
12683418372 is a `hidden beast` number, since 1 + 268 + 3 + 4 + 18 + 372 = 666.
It is not an unprimeable number, because it can be changed into a prime (12683418373) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9916029 + ... + 9917307.
Almost surely, 212683418372 is an apocalyptic number.
12683418372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12683418372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16791470080).
12683418372 is an abundant number, since it is smaller than the sum of its proper divisors (20899521788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12683418372 is a wasteful number, since it uses less digits than its factorization.
12683418372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1663 (or 1652 counting only the distinct ones).
The product of its digits is 387072, while the sum is 45.
The spelling of 12683418372 in words is "twelve billion, six hundred eighty-three million, four hundred eighteen thousand, three hundred seventy-two".
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