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13568013569 = 118314860913
BaseRepresentation
bin11001010001011011…
…10111010100000001
31022000120121111121002
430220231313110001
5210241402413234
610122201341345
7660141132605
oct145055672401
938016544532
1013568013569
115832876460
122767a97855
131382c7b3c6
14929d87505
1554625227e
hex328b77501

13568013569 has 8 divisors (see below), whose sum is σ = 14979801312. Its totient is φ = 12185947840.

The previous prime is 13568013551. The next prime is 13568013577. The reversal of 13568013569 is 96531086531.

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

It is not a de Polignac number, because 13568013569 - 28 = 13568013313 is a prime.

It is a super-2 number, since 2×135680135692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13568012569) 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, 7429544 + ... + 7431369.

It is an arithmetic number, because the mean of its divisors is an integer number (1872475164).

Almost surely, 213568013569 is an apocalyptic number.

It is an amenable number.

13568013569 is a deficient number, since it is larger than the sum of its proper divisors (1411787743).

13568013569 is a wasteful number, since it uses less digits than its factorization.

13568013569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14861007.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 13568013569 in words is "thirteen billion, five hundred sixty-eight million, thirteen thousand, five hundred sixty-nine".

Divisors: 1 11 83 913 14860913 163470043 1233455779 13568013569