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13124954893 is a prime number
BaseRepresentation
bin11000011100100111…
…01110101100001101
31020212200220210100111
430032103232230031
5203334442024033
610010213200021
7643151163421
oct141623565415
936780823314
1013124954893
115625770966
122663630011
131312241ccb
148c71b4b81
1551c3d57cd
hex30e4eeb0d

13124954893 has 2 divisors, whose sum is σ = 13124954894. Its totient is φ = 13124954892.

The previous prime is 13124954837. The next prime is 13124954897. The reversal of 13124954893 is 39845942131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11686042404 + 1438912489 = 108102^2 + 37933^2 .

It is a cyclic number.

It is not a de Polignac number, because 13124954893 - 225 = 13091400461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13124954897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562477446 + 6562477447.

It is an arithmetic number, because the mean of its divisors is an integer number (6562477447).

Almost surely, 213124954893 is an apocalyptic number.

It is an amenable number.

13124954893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13124954893 is an equidigital number, since it uses as much as digits as its factorization.

13124954893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The spelling of 13124954893 in words is "thirteen billion, one hundred twenty-four million, nine hundred fifty-four thousand, eight hundred ninety-three".