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12553517297 is a prime number
BaseRepresentation
bin10111011000011111…
…10111100011110001
31012101212122202100002
423230033313203301
5201202200023142
65433401235345
7623042064536
oct135417674361
935355582302
1012553517297
115362151392
122524192b55
131250a36c59
14871344d8d
154d715aa32
hex2ec3f78f1

12553517297 has 2 divisors, whose sum is σ = 12553517298. Its totient is φ = 12553517296.

The previous prime is 12553517293. The next prime is 12553517371. The reversal of 12553517297 is 79271535521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12507290896 + 46226401 = 111836^2 + 6799^2 .

It is a cyclic number.

It is not a de Polignac number, because 12553517297 - 22 = 12553517293 is a prime.

It is not a weakly prime, because it can be changed into another prime (12553517293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276758648 + 6276758649.

It is an arithmetic number, because the mean of its divisors is an integer number (6276758649).

Almost surely, 212553517297 is an apocalyptic number.

It is an amenable number.

12553517297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553517297 is an equidigital number, since it uses as much as digits as its factorization.

12553517297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 661500, while the sum is 47.

The spelling of 12553517297 in words is "twelve billion, five hundred fifty-three million, five hundred seventeen thousand, two hundred ninety-seven".