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12789718274699 is a prime number
BaseRepresentation
bin1011101000011101011010…
…0111010101001010001011
31200021200111110100002012022
42322013112213111022023
53134021320334242244
643111303201235055
72460012066415022
oct272072647251213
950250443302168
1012789718274699
1140910a85a2163
121526896932a8b
1371a0b04ac022
143230506078b9
15172a537556ee
hexba1d69d528b

12789718274699 has 2 divisors, whose sum is σ = 12789718274700. Its totient is φ = 12789718274698.

The previous prime is 12789718274651. The next prime is 12789718274741. The reversal of 12789718274699 is 99647281798721.

It is a strong prime.

It is an emirp because it is prime and its reverse (99647281798721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12789718274699 is a prime.

It is not a weakly prime, because it can be changed into another prime (12789718274629) 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, 6394859137349 + 6394859137350.

It is an arithmetic number, because the mean of its divisors is an integer number (6394859137350).

Almost surely, 212789718274699 is an apocalyptic number.

12789718274699 is a deficient number, since it is larger than the sum of its proper divisors (1).

12789718274699 is an equidigital number, since it uses as much as digits as its factorization.

12789718274699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536288768, while the sum is 80.

The spelling of 12789718274699 in words is "twelve trillion, seven hundred eighty-nine billion, seven hundred eighteen million, two hundred seventy-four thousand, six hundred ninety-nine".