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12615130337 is a prime number
BaseRepresentation
bin10111011111110101…
…11001110011100001
31012120011121000112112
423233322321303201
5201313433132322
65443442005105
7624420560435
oct135772716341
935504530475
1012615130337
115393a04157
122540946795
13126072a184
148795c29c5
154dc77b5e2
hex2efeb9ce1

12615130337 has 2 divisors, whose sum is σ = 12615130338. Its totient is φ = 12615130336.

The previous prime is 12615130271. The next prime is 12615130343. The reversal of 12615130337 is 73303151621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11252117776 + 1363012561 = 106076^2 + 36919^2 .

It is a cyclic number.

It is not a de Polignac number, because 12615130337 - 220 = 12614081761 is a prime.

It is not a weakly prime, because it can be changed into another prime (12615130357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6307565168 + 6307565169.

It is an arithmetic number, because the mean of its divisors is an integer number (6307565169).

Almost surely, 212615130337 is an apocalyptic number.

It is an amenable number.

12615130337 is a deficient number, since it is larger than the sum of its proper divisors (1).

12615130337 is an equidigital number, since it uses as much as digits as its factorization.

12615130337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

Adding to 12615130337 its reverse (73303151621), we get a palindrome (85918281958).

The spelling of 12615130337 in words is "twelve billion, six hundred fifteen million, one hundred thirty thousand, three hundred thirty-seven".