Base | Representation |
---|---|
bin | 10100111010111000… |
… | …00011000011000111 |
3 | 1001222201200122221022 |
4 | 22131130003003013 |
5 | 141000203410043 |
6 | 5054245541355 |
7 | 545215363043 |
oct | 123534030307 |
9 | 31881618838 |
10 | 11231310023 |
11 | 48438664aa |
12 | 221541485b |
13 | 109cb24c9b |
14 | 7878c3023 |
15 | 45b030868 |
hex | 29d7030c7 |
11231310023 has 4 divisors (see below), whose sum is σ = 11235043128. Its totient is φ = 11227576920.
The previous prime is 11231310011. The next prime is 11231310047. The reversal of 11231310023 is 32001313211.
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 11231310023 - 210 = 11231308999 is a prime.
It is a super-2 number, since 2×112313100232 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 11231309983 and 11231310010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11231310053) 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, 1862036 + ... + 1868057.
It is an arithmetic number, because the mean of its divisors is an integer number (2808760782).
Almost surely, 211231310023 is an apocalyptic number.
11231310023 is a deficient number, since it is larger than the sum of its proper divisors (3733105).
11231310023 is an equidigital number, since it uses as much as digits as its factorization.
11231310023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3733104.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 11231310023 its reverse (32001313211), we get a palindrome (43232623234).
The spelling of 11231310023 in words is "eleven billion, two hundred thirty-one million, three hundred ten thousand, twenty-three".
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