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31740855804713 = 112801732720609
BaseRepresentation
bin1110011011110001111100…
…11011110110001100101001
311011101101200211000111120102
413031320332123312030221
513130020233041222323
6151301314200435145
76454125665521106
oct715707633661451
9134341624014512
1031740855804713
11a12824868a400
123687710478ab5
1314931c43186a3
147ba3a0bd9aad
153a09bc2cb328
hex1cde3e6f6329

31740855804713 has 12 divisors (see below), whose sum is σ = 34893062180340. Its totient is φ = 28851723310080.

The previous prime is 31740855804689. The next prime is 31740855804719.

31740855804713 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 27765027178009 + 3975828626704 = 5269253^2 + 1993948^2 .

It is not a de Polignac number, because 31740855804713 - 28 = 31740855804457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31740855804719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15390248 + ... + 17330361.

It is an arithmetic number, because the mean of its divisors is an integer number (2907755181695).

Almost surely, 231740855804713 is an apocalyptic number.

It is an amenable number.

31740855804713 is a deficient number, since it is larger than the sum of its proper divisors (3152206375627).

31740855804713 is a wasteful number, since it uses less digits than its factorization.

31740855804713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32728648 (or 32728637 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

It can be divided in two parts, 3174085 and 5804713, that added together give a palindrome (8978798).

The spelling of 31740855804713 in words is "thirty-one trillion, seven hundred forty billion, eight hundred fifty-five million, eight hundred four thousand, seven hundred thirteen".

Divisors: 1 11 121 8017 88187 970057 32720609 359926699 3959193689 262321122353 2885532345883 31740855804713