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13021320132013 = 196131117997779
BaseRepresentation
bin1011110101111100001100…
…1010010011010110101101
31201002211022012002110012111
42331133003022103112231
53201320130423211023
643405524545004021
72512521310624564
oct275370312232655
951084265073174
1013021320132013
114170346827506
121563751923611
13735b9c9c954b
1433034178cbdb
15178aab26d00d
hexbd7c32935ad

13021320132013 has 8 divisors (see below), whose sum is σ = 13729012738400. Its totient is φ = 12315863522448.

The previous prime is 13021320131951. The next prime is 13021320132043. The reversal of 13021320132013 is 31023102312031.

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

It is a cyclic number.

It is not a de Polignac number, because 13021320132013 - 213 = 13021320123821 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 (13021320132043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558987243 + ... + 559010536.

It is an arithmetic number, because the mean of its divisors is an integer number (1716126592300).

Almost surely, 213021320132013 is an apocalyptic number.

It is an amenable number.

13021320132013 is a deficient number, since it is larger than the sum of its proper divisors (707692606387).

13021320132013 is a wasteful number, since it uses less digits than its factorization.

13021320132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117998411.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13021320132013 its reverse (31023102312031), we get a palindrome (44044422444044).

The spelling of 13021320132013 in words is "thirteen trillion, twenty-one billion, three hundred twenty million, one hundred thirty-two thousand, thirteen".

Divisors: 1 19 613 11647 1117997779 21241957801 685332638527 13021320132013