Search a number
-
+
12725346847 is a prime number
BaseRepresentation
bin10111101100111110…
…10110001000011111
31012211211222121011111
423312133112020133
5202030142044342
65502420202451
7630226443403
oct136637261037
935754877144
1012725346847
115440143484
122571839427
13127a509c45
1488a0b3103
154e729d217
hex2f67d621f

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".