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12847247713 is a prime number
BaseRepresentation
bin10111111011100000…
…10111000101100001
31020011100100210201101
423331300113011201
5202302343411323
65522453034401
7633236542456
oct137560270541
936140323641
1012847247713
1154a2a333a3
1225a6625a01
13129984b131
1489c36582d
15502d2bdad
hex2fdc17161

12847247713 has 2 divisors, whose sum is σ = 12847247714. Its totient is φ = 12847247712.

The previous prime is 12847247663. The next prime is 12847247717. The reversal of 12847247713 is 31774274821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7058016144 + 5789231569 = 84012^2 + 76087^2 .

It is a cyclic number.

It is not a de Polignac number, because 12847247713 - 213 = 12847239521 is a prime.

It is not a weakly prime, because it can be changed into another prime (12847247717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6423623856 + 6423623857.

It is an arithmetic number, because the mean of its divisors is an integer number (6423623857).

Almost surely, 212847247713 is an apocalyptic number.

It is an amenable number.

12847247713 is a deficient number, since it is larger than the sum of its proper divisors (1).

12847247713 is an equidigital number, since it uses as much as digits as its factorization.

12847247713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 526848, while the sum is 46.

The spelling of 12847247713 in words is "twelve billion, eight hundred forty-seven million, two hundred forty-seven thousand, seven hundred thirteen".