Base | Representation |
---|---|
bin | 10111101100111110… |
… | …10110001000011111 |
3 | 1012211211222121011111 |
4 | 23312133112020133 |
5 | 202030142044342 |
6 | 5502420202451 |
7 | 630226443403 |
oct | 136637261037 |
9 | 35754877144 |
10 | 12725346847 |
11 | 5440143484 |
12 | 2571839427 |
13 | 127a509c45 |
14 | 88a0b3103 |
15 | 4e729d217 |
hex | 2f67d621f |
12725346847 has 2 divisors, whose sum is σ = 12725346848. Its totient is φ = 12725346846.
The previous prime is 12725346811. The next prime is 12725346899. The reversal of 12725346847 is 74864352721.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12725346847 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12725346847.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12725346947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6362673423 + 6362673424.
It is an arithmetic number, because the mean of its divisors is an integer number (6362673424).
Almost surely, 212725346847 is an apocalyptic number.
12725346847 is a deficient number, since it is larger than the sum of its proper divisors (1).
12725346847 is an equidigital number, since it uses as much as digits as its factorization.
12725346847 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2257920, while the sum is 49.
The spelling of 12725346847 in words is "twelve billion, seven hundred twenty-five million, three hundred forty-six thousand, eight hundred forty-seven".
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