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13643006784209 = 113140008817549
BaseRepresentation
bin1100011010001000001010…
…0100101011001011010001
31210022020222121012120210022
43012202002210223023101
53242011334214043314
645003302155313225
72605450266160055
oct306420244531321
953266877176708
1013643006784209
11438aa6a725860
12164413344b815
1377c6b75b661a
14352479d27c65
15189d44e7078e
hexc688292b2d1

13643006784209 has 8 divisors (see below), whose sum is σ = 15363385939200. Its totient is φ = 12002645264400.

The previous prime is 13643006784203. The next prime is 13643006784223. The reversal of 13643006784209 is 90248760034631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13643006784209 is a prime.

It is a super-2 number, since 2×136430067842092 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13643006784203) 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, 20004408434 + ... + 20004409115.

It is an arithmetic number, because the mean of its divisors is an integer number (1920423242400).

Almost surely, 213643006784209 is an apocalyptic number.

It is an amenable number.

13643006784209 is a deficient number, since it is larger than the sum of its proper divisors (1720379154991).

13643006784209 is a wasteful number, since it uses less digits than its factorization.

13643006784209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40008817591.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 13643006784209 in words is "thirteen trillion, six hundred forty-three billion, six million, seven hundred eighty-four thousand, two hundred nine".

Divisors: 1 11 31 341 40008817549 440096993039 1240273344019 13643006784209