Base | Representation |
---|---|
bin | 111110111100110… |
… | …0001001110111011 |
3 | 12110012112102022000 |
4 | 1331321201032323 |
5 | 13311212332311 |
6 | 545332232043 |
7 | 103225442631 |
oct | 17571411673 |
9 | 5405472260 |
10 | 2112230331 |
11 | 994331a02 |
12 | 4ab46b623 |
13 | 2787b0943 |
14 | 160751351 |
15 | c5681056 |
hex | 7de613bb |
2112230331 has 16 divisors (see below), whose sum is σ = 3313303200. Its totient is φ = 1325320704.
The previous prime is 2112230327. The next prime is 2112230357. The reversal of 2112230331 is 1330322112.
It is not a de Polignac number, because 2112230331 - 22 = 2112230327 is a prime.
It is a super-2 number, since 2×21122303312 = 8923033942392739122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112230321) 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, 2300446 + ... + 2301363.
It is an arithmetic number, because the mean of its divisors is an integer number (207081450).
Almost surely, 22112230331 is an apocalyptic number.
2112230331 is a deficient number, since it is larger than the sum of its proper divisors (1201072869).
2112230331 is a wasteful number, since it uses less digits than its factorization.
2112230331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4601835 (or 4601829 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 2112230331 is about 45959.0070715197. The cubic root of 2112230331 is about 1283.0603713755.
Adding to 2112230331 its reverse (1330322112), we get a palindrome (3442552443).
The spelling of 2112230331 in words is "two billion, one hundred twelve million, two hundred thirty thousand, three hundred thirty-one".
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