Base | Representation |
---|---|
bin | 1000001100110100… |
… | …0010011101001111 |
3 | 12200102000020022201 |
4 | 2003031002131033 |
5 | 14002003430411 |
6 | 1002232022331 |
7 | 105356113411 |
oct | 20315023517 |
9 | 5612006281 |
10 | 2201233231 |
11 | a2a5a211a |
12 | 5152319a7 |
13 | 291073a92 |
14 | 16c4bc9b1 |
15 | cd3b23c1 |
hex | 8334274f |
2201233231 has 4 divisors (see below), whose sum is σ = 2203948264. Its totient is φ = 2198518200.
The previous prime is 2201233207. The next prime is 2201233261. The reversal of 2201233231 is 1323321022.
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 2201233231 - 223 = 2192844623 is a prime.
It is a super-2 number, since 2×22012332312 = 9690855474517398722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2201233199 and 2201233208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2201233261) 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, 1356300 + ... + 1357921.
It is an arithmetic number, because the mean of its divisors is an integer number (550987066).
Almost surely, 22201233231 is an apocalyptic number.
2201233231 is a deficient number, since it is larger than the sum of its proper divisors (2715033).
2201233231 is an equidigital number, since it uses as much as digits as its factorization.
2201233231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2715032.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 2201233231 is about 46917.3020430630. The cubic root of 2201233231 is about 1300.8344211066.
Adding to 2201233231 its reverse (1323321022), we get a palindrome (3524554253).
The spelling of 2201233231 in words is "two billion, two hundred one million, two hundred thirty-three thousand, two hundred thirty-one".
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