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13123013017 is a prime number
BaseRepresentation
bin11000011100011000…
…10100100110011001
31020212120021010121011
430032030110212121
5203333442404032
610010103413521
7643125525112
oct141614244631
936776233534
1013123013017
115624664a04
122662a542a1
131311a1217a
148c6c2b209
1551c150247
hex30e314999

13123013017 has 2 divisors, whose sum is σ = 13123013018. Its totient is φ = 13123013016.

The previous prime is 13123013003. The next prime is 13123013023. The reversal of 13123013017 is 71031032131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7293843216 + 5829169801 = 85404^2 + 76349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13123013017 is a prime.

It is not a weakly prime, because it can be changed into another prime (13123013077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561506508 + 6561506509.

It is an arithmetic number, because the mean of its divisors is an integer number (6561506509).

Almost surely, 213123013017 is an apocalyptic number.

It is an amenable number.

13123013017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123013017 is an equidigital number, since it uses as much as digits as its factorization.

13123013017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

Adding to 13123013017 its reverse (71031032131), we get a palindrome (84154045148).

The spelling of 13123013017 in words is "thirteen billion, one hundred twenty-three million, thirteen thousand, seventeen".