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14505268657 = 111318660787
BaseRepresentation
bin11011000001001010…
…01101010110110001
31101102220012222212111
431200211031112301
5214201322044112
610355202125321
71022311514665
oct154045152661
941386188774
1014505268657
116173934040
122989950841
1314a21ba109
149b86408a5
1559d68c5a7
hex36094d5b1

14505268657 has 4 divisors (see below), whose sum is σ = 15823929456. Its totient is φ = 13186607860.

The previous prime is 14505268627. The next prime is 14505268663. The reversal of 14505268657 is 75686250541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75686250541 = 116880568231.

It is a cyclic number.

It is not a de Polignac number, because 14505268657 - 27 = 14505268529 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14505268657.

It is not an unprimeable number, because it can be changed into a prime (14505268627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659330383 + ... + 659330404.

It is an arithmetic number, because the mean of its divisors is an integer number (3955982364).

Almost surely, 214505268657 is an apocalyptic number.

It is an amenable number.

14505268657 is a deficient number, since it is larger than the sum of its proper divisors (1318660799).

14505268657 is a wasteful number, since it uses less digits than its factorization.

14505268657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318660798.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 14505268657 in words is "fourteen billion, five hundred five million, two hundred sixty-eight thousand, six hundred fifty-seven".

Divisors: 1 11 1318660787 14505268657