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13004431334413 = 49872607666199
BaseRepresentation
bin1011110100111101010010…
…0000101001110000001101
31201001012201011211122022021
42331033110200221300031
53201031033410200123
643354053035250141
72511352634333611
oct275172440516015
951035634748267
1013004431334413
11416416a510942
1215604198a9951
1373440aa6c89c
1432d5bc779341
1517841d70ec5d
hexbd3d4829c0d

13004431334413 has 4 divisors (see below), whose sum is σ = 13007039005600. Its totient is φ = 13001823663228.

The previous prime is 13004431334393. The next prime is 13004431334423. The reversal of 13004431334413 is 31443313440031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13004431334413 - 237 = 12866992380941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13004431334423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303828113 + ... + 1303838086.

It is an arithmetic number, because the mean of its divisors is an integer number (3251759751400).

Almost surely, 213004431334413 is an apocalyptic number.

It is an amenable number.

13004431334413 is a deficient number, since it is larger than the sum of its proper divisors (2607671187).

13004431334413 is an equidigital number, since it uses as much as digits as its factorization.

13004431334413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607671186.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 13004431334413 its reverse (31443313440031), we get a palindrome (44447744774444).

The spelling of 13004431334413 in words is "thirteen trillion, four billion, four hundred thirty-one million, three hundred thirty-four thousand, four hundred thirteen".

Divisors: 1 4987 2607666199 13004431334413