Search a number
-
+
13211539161 = 34589395959
BaseRepresentation
bin11000100110111100…
…00001011011011001
31021002201211201122020
430103132001123121
5204024123223121
610022545045053
7645252141612
oct142336013331
937081751566
1013211539161
11566a629a07
122688626789
1313271692c2
148d48b2c09
15524cda1c6
hex3137816d9

13211539161 has 8 divisors (see below), whose sum is σ = 17615952960. Its totient is φ = 8807409072.

The previous prime is 13211539141. The next prime is 13211539189. The reversal of 13211539161 is 16193511231.

13211539161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13211539161 - 214 = 13211522777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13211539141) 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 7 ways as a sum of consecutive naturals, for example, 89700 + ... + 185658.

It is an arithmetic number, because the mean of its divisors is an integer number (2201994120).

Almost surely, 213211539161 is an apocalyptic number.

It is an amenable number.

13211539161 is a deficient number, since it is larger than the sum of its proper divisors (4404413799).

13211539161 is an equidigital number, since it uses as much as digits as its factorization.

13211539161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141855.

The product of its digits is 4860, while the sum is 33.

The spelling of 13211539161 in words is "thirteen billion, two hundred eleven million, five hundred thirty-nine thousand, one hundred sixty-one".

Divisors: 1 3 45893 95959 137679 287877 4403846387 13211539161