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1368591853729 = 131136723113307
BaseRepresentation
bin10011111010100110011…
…011100110100010100001
311211211120112000122120011
4103322212123212202201
5134410334003304404
62524420013044521
7200606660546332
oct23724633464241
94754515018504
101368591853729
11488464471111
121a12aa786741
139c0998a0439
144a35116c289
1525900ad2604
hex13ea66e68a1

1368591853729 has 16 divisors (see below), whose sum is σ = 1381062583296. Its totient is φ = 1356153598800.

The previous prime is 1368591853711. The next prime is 1368591853763. The reversal of 1368591853729 is 9273581958631.

It is a cyclic number.

It is not a de Polignac number, because 1368591853729 - 217 = 1368591722657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368591853799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413845294 + ... + 413848600.

It is an arithmetic number, because the mean of its divisors is an integer number (86316411456).

Almost surely, 21368591853729 is an apocalyptic number.

It is an amenable number.

1368591853729 is a deficient number, since it is larger than the sum of its proper divisors (12470729567).

1368591853729 is a wasteful number, since it uses less digits than its factorization.

1368591853729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7116.

The product of its digits is 97977600, while the sum is 67.

The spelling of 1368591853729 in words is "one trillion, three hundred sixty-eight billion, five hundred ninety-one million, eight hundred fifty-three thousand, seven hundred twenty-nine".

Divisors: 1 131 1367 2311 3307 179077 302741 433217 3159137 4520669 7642477 413846947 592207639 1001164487 10447266059 1368591853729