Base | Representation |
---|---|
bin | 10110100110001000… |
… | …11110011010100010 |
3 | 1011022102210202011221 |
4 | 23103010132122202 |
5 | 144321030202242 |
6 | 5323431325254 |
7 | 606422436265 |
oct | 132304363242 |
9 | 34272722157 |
10 | 12131100322 |
11 | 5165765250 |
12 | 242682082a |
13 | 11b4377093 |
14 | 8311c6cdc |
15 | 4b001a167 |
hex | 2d311e6a2 |
12131100322 has 32 divisors (see below), whose sum is σ = 20147304960. Its totient is φ = 5432254080.
The previous prime is 12131100313. The next prime is 12131100341. The reversal of 12131100322 is 22300113121.
It is a junction number, because it is equal to n+sod(n) for n = 12131100296 and 12131100305.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531183 + ... + 553549.
It is an arithmetic number, because the mean of its divisors is an integer number (629603280).
Almost surely, 212131100322 is an apocalyptic number.
12131100322 is a deficient number, since it is larger than the sum of its proper divisors (8016204638).
12131100322 is a wasteful number, since it uses less digits than its factorization.
12131100322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22746.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12131100322 its reverse (22300113121), we get a palindrome (34431213443).
The spelling of 12131100322 in words is "twelve billion, one hundred thirty-one million, one hundred thousand, three hundred twenty-two".
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