Base | Representation |
---|---|
bin | 10111010111011010… |
… | …01101010011101101 |
3 | 1012101020120010202012 |
4 | 23223231031103231 |
5 | 201142333300331 |
6 | 5432434411005 |
7 | 622601623061 |
oct | 135355152355 |
9 | 35336503665 |
10 | 12544431341 |
11 | 5358005a32 |
12 | 2521130a65 |
13 | 124bba5450 |
14 | 87005baa1 |
15 | 4d646382b |
hex | 2ebb4d4ed |
12544431341 has 16 divisors (see below), whose sum is σ = 13743959040. Its totient is φ = 11379881280.
The previous prime is 12544431337. The next prime is 12544431343. The reversal of 12544431341 is 14313444521.
It is a cyclic number.
It is not a de Polignac number, because 12544431341 - 22 = 12544431337 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12544431298 and 12544431307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12544431343) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175655 + ... + 236523.
It is an arithmetic number, because the mean of its divisors is an integer number (858997440).
Almost surely, 212544431341 is an apocalyptic number.
It is an amenable number.
12544431341 is a deficient number, since it is larger than the sum of its proper divisors (1199527699).
12544431341 is a wasteful number, since it uses less digits than its factorization.
12544431341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61156.
The product of its digits is 23040, while the sum is 32.
Adding to 12544431341 its reverse (14313444521), we get a palindrome (26857875862).
The spelling of 12544431341 in words is "twelve billion, five hundred forty-four million, four hundred thirty-one thousand, three hundred forty-one".
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