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12857163344343 = 321989844809997
BaseRepresentation
bin1011101100011000101010…
…1001110110100111010111
31200112010120211010121111200
42323012022221312213113
53141122432304004333
643202255503203543
72464620331145103
oct273061251664727
950463524117450
1012857163344343
11410776858223a
121537979ba65b3
1372356b503966
1432640bb90903
1517469e8d9c13
hexbb18aa769d7

12857163344343 has 24 divisors (see below), whose sum is σ = 19768553953200. Its totient is φ = 8029074201984.

The previous prime is 12857163344303. The next prime is 12857163344353. The reversal of 12857163344343 is 34344336175821.

12857163344343 is a `hidden beast` number, since 1 + 2 + 8 + 571 + 6 + 3 + 34 + 4 + 34 + 3 = 666.

It is not a de Polignac number, because 12857163344343 - 210 = 12857163343319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12857163344343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12857163344303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422389780 + ... + 422420217.

It is an arithmetic number, because the mean of its divisors is an integer number (823689748050).

Almost surely, 212857163344343 is an apocalyptic number.

12857163344343 is a deficient number, since it is larger than the sum of its proper divisors (6911390608857).

12857163344343 is a wasteful number, since it uses less digits than its factorization.

12857163344343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844810111 (or 844810108 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 54.

The spelling of 12857163344343 in words is "twelve trillion, eight hundred fifty-seven billion, one hundred sixty-three million, three hundred forty-four thousand, three hundred forty-three".

Divisors: 1 3 9 19 57 89 171 267 801 1691 5073 15219 844809997 2534429991 7603289973 16051389943 48154169829 75188089733 144462509487 225564269199 676692807597 1428573704927 4285721114781 12857163344343