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82009674791 = 1170910515409
BaseRepresentation
bin100110001100000101…
…0000101010000100111
321211200101200010112122
41030120022011100213
52320423434043131
6101401423540155
75632163506532
oct1143012052047
9254611603478
1082009674791
1131864361540
1213a88a5a65b
13796c5b89b5
143d7da31a19
1521eeb42d7b
hex1318285427

82009674791 has 8 divisors (see below), whose sum is σ = 89591293200. Its totient is φ = 74449088640.

The previous prime is 82009674767. The next prime is 82009674833. The reversal of 82009674791 is 19747690028.

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 82009674791 - 218 = 82009412647 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 (82009674701) 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, 5249906 + ... + 5265503.

It is an arithmetic number, because the mean of its divisors is an integer number (11198911650).

Almost surely, 282009674791 is an apocalyptic number.

82009674791 is a deficient number, since it is larger than the sum of its proper divisors (7581618409).

82009674791 is a wasteful number, since it uses less digits than its factorization.

82009674791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516129.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 82009674791 in words is "eighty-two billion, nine million, six hundred seventy-four thousand, seven hundred ninety-one".

Divisors: 1 11 709 7799 10515409 115669499 7455424981 82009674791