Search a number
-
+
12517648141 is a prime number
BaseRepresentation
bin10111010100001110…
…00010011100001101
31012022101011102002211
423222013002130031
5201114004220031
65430040350421
7622125152665
oct135207023415
935271142084
1012517648141
115343982359
122514175411
1312464886bb
1486a6891a5
154d3e22bb1
hex2ea1c270d

12517648141 has 2 divisors, whose sum is σ = 12517648142. Its totient is φ = 12517648140.

The previous prime is 12517648127. The next prime is 12517648147. The reversal of 12517648141 is 14184671521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9330594025 + 3187054116 = 96595^2 + 56454^2 .

It is a cyclic number.

It is not a de Polignac number, because 12517648141 - 221 = 12515550989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12517648094 and 12517648103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12517648147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6258824070 + 6258824071.

It is an arithmetic number, because the mean of its divisors is an integer number (6258824071).

Almost surely, 212517648141 is an apocalyptic number.

It is an amenable number.

12517648141 is a deficient number, since it is larger than the sum of its proper divisors (1).

12517648141 is an equidigital number, since it uses as much as digits as its factorization.

12517648141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 40.

The spelling of 12517648141 in words is "twelve billion, five hundred seventeen million, six hundred forty-eight thousand, one hundred forty-one".