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13277568943 is a prime number
BaseRepresentation
bin11000101110110011…
…11001111110101111
31021021100002101110201
430113121321332233
5204143024201233
610033304214331
7650013321352
oct142731717657
937240071421
1013277568943
1156a3929081
1226a676a3a7
131337a47992
148dd580299
1552a9ce77d
hex317679faf

13277568943 has 2 divisors, whose sum is σ = 13277568944. Its totient is φ = 13277568942.

The previous prime is 13277568929. The next prime is 13277569001. The reversal of 13277568943 is 34986577231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13277568943 - 29 = 13277568431 is a prime.

It is a super-2 number, since 2×132775689432 (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 (13277568443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6638784471 + 6638784472.

It is an arithmetic number, because the mean of its divisors is an integer number (6638784472).

Almost surely, 213277568943 is an apocalyptic number.

13277568943 is a deficient number, since it is larger than the sum of its proper divisors (1).

13277568943 is an equidigital number, since it uses as much as digits as its factorization.

13277568943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 55.

The spelling of 13277568943 in words is "thirteen billion, two hundred seventy-seven million, five hundred sixty-eight thousand, nine hundred forty-three".