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13444230013 is a prime number
BaseRepresentation
bin11001000010101011…
…01010101101111101
31021200221200122110221
430201111222231331
5210013210330023
610102020301341
7654106032604
oct144125525575
937627618427
1013444230013
115779a0aaa5
122732541851
13136342b2b6
14917764a3b
1553a45085d
hex32156ab7d

13444230013 has 2 divisors, whose sum is σ = 13444230014. Its totient is φ = 13444230012.

The previous prime is 13444230011. The next prime is 13444230017. The reversal of 13444230013 is 31003244431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11885796484 + 1558433529 = 109022^2 + 39477^2 .

It is a cyclic number.

It is not a de Polignac number, because 13444230013 - 21 = 13444230011 is a prime.

Together with 13444230011, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13444230013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13444230011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722115006 + 6722115007.

It is an arithmetic number, because the mean of its divisors is an integer number (6722115007).

Almost surely, 213444230013 is an apocalyptic number.

It is an amenable number.

13444230013 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444230013 is an equidigital number, since it uses as much as digits as its factorization.

13444230013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13444230013 its reverse (31003244431), we get a palindrome (44447474444).

The spelling of 13444230013 in words is "thirteen billion, four hundred forty-four million, two hundred thirty thousand, thirteen".