Base | Representation |
---|---|
bin | 1000001101001111… |
… | …0100100010011111 |
3 | 12200112100120021120 |
4 | 2003103310202133 |
5 | 14002432324411 |
6 | 1002334102023 |
7 | 105410200161 |
oct | 20323644237 |
9 | 5615316246 |
10 | 2203011231 |
11 | a305a6a43 |
12 | 51594a913 |
13 | 291547155 |
14 | 16c822931 |
15 | cd614106 |
hex | 834f489f |
2203011231 has 16 divisors (see below), whose sum is σ = 3067441920. Its totient is φ = 1403726720.
The previous prime is 2203011227. The next prime is 2203011233. The reversal of 2203011231 is 1321103022.
2203011231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 2203011231 - 22 = 2203011227 is a prime.
It is a super-2 number, since 2×22030112312 = 9706516967824270722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2203011231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2203011233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82180 + ... + 105638.
It is an arithmetic number, because the mean of its divisors is an integer number (191715120).
Almost surely, 22203011231 is an apocalyptic number.
2203011231 is a deficient number, since it is larger than the sum of its proper divisors (864430689).
2203011231 is a wasteful number, since it uses less digits than its factorization.
2203011231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24846.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2203011231 is about 46936.2464519693. The cubic root of 2203011231 is about 1301.1845674276.
Adding to 2203011231 its reverse (1321103022), we get a palindrome (3524114253).
The spelling of 2203011231 in words is "two billion, two hundred three million, eleven thousand, two hundred thirty-one".
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