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13075691031 = 331399137591
BaseRepresentation
bin11000010110101111…
…10011011000010111
31020202021012221001000
430023113303120113
5203234334103111
610001253234343
7642012353124
oct141327633027
936667187030
1013075691031
1155aa983227
12264b0329b3
131304c839b0
148c082d74b
15517e03c56
hex30b5f3617

13075691031 has 32 divisors (see below), whose sum is σ = 20883107840. Its totient is φ = 8038245600.

The previous prime is 13075691011. The next prime is 13075691033. The reversal of 13075691031 is 13019657031.

It is not a de Polignac number, because 13075691031 - 218 = 13075428887 is a prime.

It is a super-2 number, since 2×130756910312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13075691033) 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 in 31 ways as a sum of consecutive naturals, for example, 329046 + ... + 366636.

It is an arithmetic number, because the mean of its divisors is an integer number (652597120).

Almost surely, 213075691031 is an apocalyptic number.

13075691031 is a deficient number, since it is larger than the sum of its proper divisors (7807416809).

13075691031 is a wasteful number, since it uses less digits than its factorization.

13075691031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38604 (or 38598 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The spelling of 13075691031 in words is "thirteen billion, seventy-five million, six hundred ninety-one thousand, thirty-one".

Divisors: 1 3 9 13 27 39 117 351 991 2973 8919 12883 26757 37591 38649 112773 115947 338319 347841 488683 1014957 1466049 4398147 13194441 37252681 111758043 335274129 484284853 1005822387 1452854559 4358563677 13075691031