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13137061669 is a prime number
BaseRepresentation
bin11000011110000011…
…11010011100100101
31020220112200212201121
430033001322130211
5203401041433134
610011324453541
7643356116224
oct141701723445
936815625647
1013137061669
11563158a966
1226676aa2b1
1313148c0794
148c8a46cbb
1551d4c7ab4
hex30f07a725

13137061669 has 2 divisors, whose sum is σ = 13137061670. Its totient is φ = 13137061668.

The previous prime is 13137061621. The next prime is 13137061739. The reversal of 13137061669 is 96616073131.

13137061669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13034788900 + 102272769 = 114170^2 + 10113^2 .

It is an emirp because it is prime and its reverse (96616073131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13137061669 - 27 = 13137061541 is a prime.

It is a super-2 number, since 2×131370616692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13137064669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6568530834 + 6568530835.

It is an arithmetic number, because the mean of its divisors is an integer number (6568530835).

Almost surely, 213137061669 is an apocalyptic number.

It is an amenable number.

13137061669 is a deficient number, since it is larger than the sum of its proper divisors (1).

13137061669 is an equidigital number, since it uses as much as digits as its factorization.

13137061669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 13137061669 in words is "thirteen billion, one hundred thirty-seven million, sixty-one thousand, six hundred sixty-nine".