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13800000013 is a prime number
BaseRepresentation
bin11001101101000101…
…10100101000001101
31022121202010122011121
430312202310220031
5211230300000023
610201205520541
7665656031122
oct146642645015
938552118147
1013800000013
115941816298
122811713151
1313bc0548a7
1494cad4749
1555b7c8d5d
hex3368b4a0d

13800000013 has 2 divisors, whose sum is σ = 13800000014. Its totient is φ = 13800000012.

The previous prime is 13799999989. The next prime is 13800000031. The reversal of 13800000013 is 31000000831.

Together with next prime (13800000031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7176970089 + 6623029924 = 84717^2 + 81382^2 .

It is an emirp because it is prime and its reverse (31000000831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13800000013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13800000073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6900000006 + 6900000007.

It is an arithmetic number, because the mean of its divisors is an integer number (6900000007).

Almost surely, 213800000013 is an apocalyptic number.

It is an amenable number.

13800000013 is a deficient number, since it is larger than the sum of its proper divisors (1).

13800000013 is an equidigital number, since it uses as much as digits as its factorization.

13800000013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13800000013 its reverse (31000000831), we get a palindrome (44800000844).

The spelling of 13800000013 in words is "thirteen billion, eight hundred million, thirteen", and thus it is an aban number.