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13013122031013 = 31321929361312893
BaseRepresentation
bin1011110101011101101010…
…0001000001110110100101
31201002001010211220202211010
42331113122201001312211
53201201333214443023
643402051251132433
72512111203126516
oct275273241016645
951061124822733
1013013122031013
11416791a153925
1215620442a4119
13735194415600
1432dba4a78a0d
1517877b691093
hexbd5da841da5

13013122031013 has 96 divisors (see below), whose sum is σ = 20466243907200. Its totient is φ = 7322395272192.

The previous prime is 13013122031011. The next prime is 13013122031033. The reversal of 13013122031013 is 31013022131031.

It is a happy number.

It is not a de Polignac number, because 13013122031013 - 21 = 13013122031011 is a prime.

It is a super-2 number, since 2×130131220310132 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013122031011) 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 95 ways as a sum of consecutive naturals, for example, 1009310395 + ... + 1009323287.

It is an arithmetic number, because the mean of its divisors is an integer number (213190040700).

Almost surely, 213013122031013 is an apocalyptic number.

13013122031013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13013122031013 is a deficient number, since it is larger than the sum of its proper divisors (7453121876187).

13013122031013 is a wasteful number, since it uses less digits than its factorization.

13013122031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16583 (or 16570 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13013122031013 its reverse (31013022131031), we get a palindrome (44026144162044).

The spelling of 13013122031013 in words is "thirteen trillion, thirteen billion, one hundred twenty-two million, thirty-one thousand, thirteen".

Divisors: 1 3 13 19 29 39 57 87 169 247 377 507 551 741 1131 1653 3211 3613 4901 7163 9633 10839 12893 14703 21489 38679 46969 68647 93119 104777 140907 167609 205941 244967 279357 314331 373897 502827 610597 734901 892411 1121691 1362101 1831791 1990763 2178917 2677233 3184571 4086303 4860661 5972289 6536751 7104043 9553713 11601343 14581983 17707313 21312129 25879919 34804029 41399423 46582409 53121939 63188593 77639757 92352559 124198269 139747227 189565779 277057677 336438947 605571317 885065771 1009316841 1200583267 1350889861 1816713951 2655197313 3601749801 4052669583 7872427121 11505855023 17561568193 23617281363 25666907359 34517565069 52684704579 77000722077 149576115299 228300386509 333669795667 448728345897 684901159527 1001009387001 4337707343671 13013122031013