Search a number
-
+
11131023113 = 72474833271
BaseRepresentation
bin10100101110111010…
…11110111100001001
31001201201222120011022
422113131132330021
5140244020214423
65040304242225
7542560064300
oct122735367411
931651876138
1011131023113
1147a2199461
1221a7910375
131085110a12
14778459437
15452320dc8
hex29775ef09

11131023113 has 12 divisors (see below), whose sum is σ = 13223832192. Its totient is φ = 9337877640.

The previous prime is 11131023089. The next prime is 11131023161. The reversal of 11131023113 is 31132013111.

It is not a de Polignac number, because 11131023113 - 216 = 11130957577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131023091 and 11131023100.

It is not an unprimeable number, because it can be changed into a prime (11131029113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2414333 + ... + 2418938.

It is an arithmetic number, because the mean of its divisors is an integer number (1101986016).

Almost surely, 211131023113 is an apocalyptic number.

It is an amenable number.

11131023113 is a deficient number, since it is larger than the sum of its proper divisors (2092809079).

11131023113 is an equidigital number, since it uses as much as digits as its factorization.

11131023113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833332 (or 4833325 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11131023113 its reverse (31132013111), we get a palindrome (42263036224).

The spelling of 11131023113 in words is "eleven billion, one hundred thirty-one million, twenty-three thousand, one hundred thirteen".

Divisors: 1 7 47 49 329 2303 4833271 33832897 227163737 236830279 1590146159 11131023113