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12613143216361 is a prime number
BaseRepresentation
bin1011011110001011100111…
…1010111100000011101001
31122122210201122012201122211
42313202321322330003221
53123123204130410421
642454221545045121
72441161306242412
oct267427172740351
948583648181584
1012613143216361
114023227581386
1214b86181867a1
137065502b409c
1431869d62c809
1516d16ba7e9e1
hexb78b9ebc0e9

12613143216361 has 2 divisors, whose sum is σ = 12613143216362. Its totient is φ = 12613143216360.

The previous prime is 12613143216293. The next prime is 12613143216389. The reversal of 12613143216361 is 16361234131621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6990762440025 + 5622380776336 = 2644005^2 + 2371156^2 .

It is a cyclic number.

It is not a de Polignac number, because 12613143216361 - 215 = 12613143183593 is a prime.

It is not a weakly prime, because it can be changed into another prime (12613143216461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306571608180 + 6306571608181.

It is an arithmetic number, because the mean of its divisors is an integer number (6306571608181).

Almost surely, 212613143216361 is an apocalyptic number.

It is an amenable number.

12613143216361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12613143216361 is an equidigital number, since it uses as much as digits as its factorization.

12613143216361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

Adding to 12613143216361 its reverse (16361234131621), we get a palindrome (28974377347982).

The spelling of 12613143216361 in words is "twelve trillion, six hundred thirteen billion, one hundred forty-three million, two hundred sixteen thousand, three hundred sixty-one".