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13023510439 is a prime number
BaseRepresentation
bin11000010000100001…
…01111111110100111
31020121122000212201111
430020100233332213
5203133004313224
65552151005451
7640510004122
oct141020577647
936548025644
1013023510439
115583483175
122635669887
1312c7213bc4
148b79293b9
15513547d94
hex30842ffa7

13023510439 has 2 divisors, whose sum is σ = 13023510440. Its totient is φ = 13023510438.

The previous prime is 13023510427. The next prime is 13023510473. The reversal of 13023510439 is 93401532031.

It is a weak prime.

It is an emirp because it is prime and its reverse (93401532031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13023510439 - 25 = 13023510407 is a prime.

It is a super-2 number, since 2×130235104392 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13023510439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13023510139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511755219 + 6511755220.

It is an arithmetic number, because the mean of its divisors is an integer number (6511755220).

Almost surely, 213023510439 is an apocalyptic number.

13023510439 is a deficient number, since it is larger than the sum of its proper divisors (1).

13023510439 is an equidigital number, since it uses as much as digits as its factorization.

13023510439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 13023510439 in words is "thirteen billion, twenty-three million, five hundred ten thousand, four hundred thirty-nine".