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12846881413 is a prime number
BaseRepresentation
bin10111111011011101…
…11101101010000101
31020011022200012020201
423331232331222011
5202302300201123
65522441130501
7633233455522
oct137556755205
936138605221
1012846881413
1154a2803173
1225a6489a31
1312997504a2
1489c2ac149
15502ca85ad
hex2fdbbda85

12846881413 has 2 divisors, whose sum is σ = 12846881414. Its totient is φ = 12846881412.

The previous prime is 12846881401. The next prime is 12846881423. The reversal of 12846881413 is 31418864821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10518143364 + 2328738049 = 102558^2 + 48257^2 .

It is an emirp because it is prime and its reverse (31418864821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12846881413 - 25 = 12846881381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12846881423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6423440706 + 6423440707.

It is an arithmetic number, because the mean of its divisors is an integer number (6423440707).

Almost surely, 212846881413 is an apocalyptic number.

It is an amenable number.

12846881413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12846881413 is an equidigital number, since it uses as much as digits as its factorization.

12846881413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294912, while the sum is 46.

The spelling of 12846881413 in words is "twelve billion, eight hundred forty-six million, eight hundred eighty-one thousand, four hundred thirteen".