Search a number
-
+
12913761917611 is a prime number
BaseRepresentation
bin1011101111101011100000…
…1100010001101010101011
31200201112200021100000222001
42323322320030101222223
53143034341022330421
643244300023111431
72501663026113562
oct273727014215253
950645607300861
1012913761917611
114129771a3a025
1215469348a2577
137289bb3587b9
1432905a9c4bd9
15175db3702691
hexbbeb8311aab

12913761917611 has 2 divisors, whose sum is σ = 12913761917612. Its totient is φ = 12913761917610.

The previous prime is 12913761917543. The next prime is 12913761917717. The reversal of 12913761917611 is 11671916731921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12913761917611 - 235 = 12879402179243 is a prime.

It is not a weakly prime, because it can be changed into another prime (12913761917011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456880958805 + 6456880958806.

It is an arithmetic number, because the mean of its divisors is an integer number (6456880958806).

Almost surely, 212913761917611 is an apocalyptic number.

12913761917611 is a deficient number, since it is larger than the sum of its proper divisors (1).

12913761917611 is an equidigital number, since it uses as much as digits as its factorization.

12913761917611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 55.

The spelling of 12913761917611 in words is "twelve trillion, nine hundred thirteen billion, seven hundred sixty-one million, nine hundred seventeen thousand, six hundred eleven".