Search a number
-
+
11311458069 = 33770486023
BaseRepresentation
bin10101000100011011…
…10010011100010101
31002012022111121101110
422202031302130111
5141131213124234
65110231445233
7550210543602
oct124215623425
932168447343
1011311458069
11488502895a
122238226819
1310b3607872
147943c76a9
154630b31e9
hex2a2372715

11311458069 has 4 divisors (see below), whose sum is σ = 15081944096. Its totient is φ = 7540972044.

The previous prime is 11311458023. The next prime is 11311458077. The reversal of 11311458069 is 96085411311.

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.

It is not a de Polignac number, because 11311458069 - 29 = 11311457557 is a prime.

It is a super-2 number, since 2×113114580692 (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 (11311458569) 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, 1885243009 + ... + 1885243014.

It is an arithmetic number, because the mean of its divisors is an integer number (3770486024).

Almost surely, 211311458069 is an apocalyptic number.

It is an amenable number.

11311458069 is a deficient number, since it is larger than the sum of its proper divisors (3770486027).

11311458069 is an equidigital number, since it uses as much as digits as its factorization.

11311458069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770486026.

The product of its (nonzero) digits is 25920, while the sum is 39.

The spelling of 11311458069 in words is "eleven billion, three hundred eleven million, four hundred fifty-eight thousand, sixty-nine".

Divisors: 1 3 3770486023 11311458069