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1313122012013 = 7931032014853
BaseRepresentation
bin10011000110111100001…
…010111100101101101101
311122112101201201201201002
4103012330022330231231
5133003233213341023
62443123453530045
7163604246640230
oct23067412745555
94575351651632
101313122012013
1146698a163019
121925a9aa3925
1396a99848aa6
14477ac1d5417
1524255e28b28
hex131bc2bcb6d

1313122012013 has 8 divisors (see below), whose sum is σ = 1500727734528. Its totient is φ = 1125520505424.

The previous prime is 1313122012003. The next prime is 1313122012031. The reversal of 1313122012013 is 3102102213131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313122012013 - 24 = 1313122011997 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 (1313122012003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355706 + ... + 1659147.

It is an arithmetic number, because the mean of its divisors is an integer number (187590966816).

Almost surely, 21313122012013 is an apocalyptic number.

It is an amenable number.

1313122012013 is a deficient number, since it is larger than the sum of its proper divisors (187605722515).

1313122012013 is an equidigital number, since it uses as much as digits as its factorization.

1313122012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107963.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1313122012013 its reverse (3102102213131), we get a palindrome (4415224225144).

The spelling of 1313122012013 in words is "one trillion, three hundred thirteen billion, one hundred twenty-two million, twelve thousand, thirteen".

Divisors: 1 7 93103 651721 2014853 14103971 187588858859 1313122012013