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13361247269 is a prime number
BaseRepresentation
bin11000111000110010…
…00111010000100101
31021111011112200112222
430130121013100211
5204330434403034
610045453522125
7652050504446
oct143431072045
937434480488
1013361247269
115737091917
12270a7a3345
13134c195396
1490a7232cd
1553300d12e
hex31c647425

13361247269 has 2 divisors, whose sum is σ = 13361247270. Its totient is φ = 13361247268.

The previous prime is 13361247149. The next prime is 13361247299. The reversal of 13361247269 is 96274216331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13279796644 + 81450625 = 115238^2 + 9025^2 .

It is a cyclic number.

It is not a de Polignac number, because 13361247269 - 220 = 13360198693 is a prime.

It is a super-2 number, since 2×133612472692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13361247299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6680623634 + 6680623635.

It is an arithmetic number, because the mean of its divisors is an integer number (6680623635).

Almost surely, 213361247269 is an apocalyptic number.

It is an amenable number.

13361247269 is a deficient number, since it is larger than the sum of its proper divisors (1).

13361247269 is an equidigital number, since it uses as much as digits as its factorization.

13361247269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The spelling of 13361247269 in words is "thirteen billion, three hundred sixty-one million, two hundred forty-seven thousand, two hundred sixty-nine".