Search a number
-
+
13257575709 = 373717062517
BaseRepresentation
bin11000101100011011…
…01000110100011101
31021012221110121220120
430112031220310131
5204122414410314
610031311505153
7646351351140
oct142615506435
937187417816
1013257575709
115693612944
12269bb281b9
131333867671
148daa58057
15528d808a9
hex316368d1d

13257575709 has 16 divisors (see below), whose sum is σ = 20748021888. Its totient is φ = 7371006912.

The previous prime is 13257575693. The next prime is 13257575719. The reversal of 13257575709 is 90757575231.

13257575709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13257575709 - 24 = 13257575693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13257575719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8530482 + ... + 8532035.

It is an arithmetic number, because the mean of its divisors is an integer number (1296751368).

Almost surely, 213257575709 is an apocalyptic number.

It is an amenable number.

13257575709 is a deficient number, since it is larger than the sum of its proper divisors (7490446179).

13257575709 is a wasteful number, since it uses less digits than its factorization.

13257575709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17062564.

The product of its (nonzero) digits is 2315250, while the sum is 51.

The spelling of 13257575709 in words is "thirteen billion, two hundred fifty-seven million, five hundred seventy-five thousand, seven hundred nine".

Divisors: 1 3 7 21 37 111 259 777 17062517 51187551 119437619 358312857 631313129 1893939387 4419191903 13257575709