Base | Representation |
---|---|
bin | 1011001100101010101000… |
… | …1010010111001001101001 |
3 | 1121121001000120000001202122 |
4 | 2303022222022113021221 |
5 | 3103210422131111241 |
6 | 42104054430241025 |
7 | 2410346364462356 |
oct | 263125212271151 |
9 | 47531016001678 |
10 | 12312231113321 |
11 | 3a17651536617 |
12 | 146a239356175 |
13 | 6b4066511c49 |
14 | 307cb52dd62d |
15 | 1654092a304b |
hex | b32aa297269 |
12312231113321 has 24 divisors (see below), whose sum is σ = 13481613091584. Its totient is φ = 11230652553120.
The previous prime is 12312231113297. The next prime is 12312231113333. The reversal of 12312231113321 is 12331113221321.
It is not a de Polignac number, because 12312231113321 - 238 = 12037353206377 is a prime.
It is a super-2 number, since 2×123122311133212 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12312231113381) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 587735 + ... + 4996988.
It is an arithmetic number, because the mean of its divisors is an integer number (561733878816).
Almost surely, 212312231113321 is an apocalyptic number.
It is an amenable number.
12312231113321 is a deficient number, since it is larger than the sum of its proper divisors (1169381978263).
12312231113321 is a wasteful number, since it uses less digits than its factorization.
12312231113321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5584989 (or 5584970 counting only the distinct ones).
The product of its digits is 1296, while the sum is 26.
Adding to 12312231113321 its reverse (12331113221321), we get a palindrome (24643344334642).
The spelling of 12312231113321 in words is "twelve trillion, three hundred twelve billion, two hundred thirty-one million, one hundred thirteen thousand, three hundred twenty-one".
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