Search a number
-
+
11013302231 = 79139408889
BaseRepresentation
bin10100100000111000…
…11010011111010111
31001102112110201110122
422100130122133113
5140023401132411
65020501142155
7536630344601
oct122034323727
931375421418
1011013302231
1147417a3a78
1221743ba95b
1310669042a9
14766974171
15446d1a9db
hex29071a7d7

11013302231 has 4 divisors (see below), whose sum is σ = 11152711200. Its totient is φ = 10873893264.

The previous prime is 11013302227. The next prime is 11013302233. The reversal of 11013302231 is 13220331011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11013302231 - 22 = 11013302227 is a prime.

It is a super-2 number, since 2×110133022312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013302233) 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, 69704366 + ... + 69704523.

It is an arithmetic number, because the mean of its divisors is an integer number (2788177800).

Almost surely, 211013302231 is an apocalyptic number.

11013302231 is a deficient number, since it is larger than the sum of its proper divisors (139408969).

11013302231 is an equidigital number, since it uses as much as digits as its factorization.

11013302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139408968.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11013302231 its reverse (13220331011), we get a palindrome (24233633242).

The spelling of 11013302231 in words is "eleven billion, thirteen million, three hundred two thousand, two hundred thirty-one".

Divisors: 1 79 139408889 11013302231