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13210515049 is a prime number
BaseRepresentation
bin11000100110110100…
…00111011001101001
31021002122220200211011
430103122013121221
5204023342440144
610022511103521
7645240345064
oct142332073151
937078820734
1013210515049
115669a9a536
122688211ba1
131326b9b114
148d46c78db
15524b86a34
hex313687669

13210515049 has 2 divisors, whose sum is σ = 13210515050. Its totient is φ = 13210515048.

The previous prime is 13210515013. The next prime is 13210515133. The reversal of 13210515049 is 94051501231.

13210515049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9347022400 + 3863492649 = 96680^2 + 62157^2 .

It is a cyclic number.

It is not a de Polignac number, because 13210515049 - 213 = 13210506857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13210515049.

It is not a weakly prime, because it can be changed into another prime (13210315049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605257524 + 6605257525.

It is an arithmetic number, because the mean of its divisors is an integer number (6605257525).

Almost surely, 213210515049 is an apocalyptic number.

It is an amenable number.

13210515049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13210515049 is an equidigital number, since it uses as much as digits as its factorization.

13210515049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 13210515049 in words is "thirteen billion, two hundred ten million, five hundred fifteen thousand, forty-nine".