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13081312546735 = 5131134691482773
BaseRepresentation
bin1011111001011011101011…
…1111001100111110101111
31201022120011011101212220111
42332112322333030332233
53203311012002443420
643453245542400451
72520044056011016
oct276267277147657
951276134355814
1013081312546735
1141938319a3644
1215732b5130127
1373b7409cbcb4
143331d3229a7d
1517a41cec345a
hexbe5bafccfaf

13081312546735 has 16 divisors (see below), whose sum is σ = 15818588897760. Its totient is φ = 10384386113920.

The previous prime is 13081312546733. The next prime is 13081312546789. The reversal of 13081312546735 is 53764521318031.

It is not a de Polignac number, because 13081312546735 - 21 = 13081312546733 is a prime.

It is a super-2 number, since 2×130813125467352 (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 (13081312546733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8080809 + ... + 9563581.

It is an arithmetic number, because the mean of its divisors is an integer number (988661806110).

Almost surely, 213081312546735 is an apocalyptic number.

13081312546735 is a deficient number, since it is larger than the sum of its proper divisors (2737276351025).

13081312546735 is a wasteful number, since it uses less digits than its factorization.

13081312546735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496378.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 13081312546735 in words is "thirteen trillion, eighty-one billion, three hundred twelve million, five hundred forty-six thousand, seven hundred thirty-five".

Divisors: 1 5 131 655 13469 67345 1482773 1764439 7413865 8822195 194243263 971216315 19971469537 99857347685 2616262509347 13081312546735