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13500551297 is a prime number
BaseRepresentation
bin11001001001011001…
…00001000010000001
31021211212200001202102
430210230201002001
5210122120120142
610111351400145
7655361535602
oct144454410201
937755601672
1013500551297
1157a8789012
122749383055
131371cba9bc
14921025da9
15540378532
hex324b21081

13500551297 has 2 divisors, whose sum is σ = 13500551298. Its totient is φ = 13500551296.

The previous prime is 13500551263. The next prime is 13500551333. The reversal of 13500551297 is 79215500531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9049526641 + 4451024656 = 95129^2 + 66716^2 .

It is a cyclic number.

It is not a de Polignac number, because 13500551297 - 212 = 13500547201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13500551297.

It is not a weakly prime, because it can be changed into another prime (13500551227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6750275648 + 6750275649.

It is an arithmetic number, because the mean of its divisors is an integer number (6750275649).

Almost surely, 213500551297 is an apocalyptic number.

It is an amenable number.

13500551297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13500551297 is an equidigital number, since it uses as much as digits as its factorization.

13500551297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 38.

The spelling of 13500551297 in words is "thirteen billion, five hundred million, five hundred fifty-one thousand, two hundred ninety-seven".