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13031784676717 = 661103918975223
BaseRepresentation
bin1011110110100011001011…
…1001010111110101101101
31201010211022110222101212021
42331220302321113311231
53202003043334123332
643414415204310141
72513341526034352
oct275506271276555
951124273871767
1013031784676717
114174826791864
1215657923a2351
13736b79a06a31
14330a554b8629
15178ebecddc97
hexbda32e57d6d

13031784676717 has 8 divisors (see below), whose sum is σ = 13064062219520. Its totient is φ = 12999545087760.

The previous prime is 13031784676711. The next prime is 13031784676721. The reversal of 13031784676717 is 71767648713031.

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 13031784676717 - 215 = 13031784643949 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 (13031784676711) 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, 8800833 + ... + 10174390.

It is an arithmetic number, because the mean of its divisors is an integer number (1633007777440).

Almost surely, 213031784676717 is an apocalyptic number.

It is an amenable number.

13031784676717 is a deficient number, since it is larger than the sum of its proper divisors (32277542803).

13031784676717 is a wasteful number, since it uses less digits than its factorization.

13031784676717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18976923.

The product of its (nonzero) digits is 24893568, while the sum is 61.

The spelling of 13031784676717 in words is "thirteen trillion, thirty-one billion, seven hundred eighty-four million, six hundred seventy-six thousand, seven hundred seventeen".

Divisors: 1 661 1039 686779 18975223 12542622403 19715256697 13031784676717