Base | Representation |
---|---|
bin | 111111100100011… |
… | …0000010000001111 |
3 | 12111122121200121121 |
4 | 1333020300100033 |
5 | 13332022014411 |
6 | 551353341411 |
7 | 103600132324 |
oct | 17710602017 |
9 | 5448550547 |
10 | 2133001231 |
11 | 9a5029439 |
12 | 4b6407867 |
13 | 27cba3c0a |
14 | 1633dab4b |
15 | c73d5571 |
hex | 7f23040f |
2133001231 has 2 divisors, whose sum is σ = 2133001232. Its totient is φ = 2133001230.
The previous prime is 2133001229. The next prime is 2133001259. The reversal of 2133001231 is 1321003312.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2133001231 - 21 = 2133001229 is a prime.
It is a super-2 number, since 2×21330012312 = 9099388502895030722, which contains 22 as substring.
Together with 2133001229, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2133002231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066500615 + 1066500616.
It is an arithmetic number, because the mean of its divisors is an integer number (1066500616).
Almost surely, 22133001231 is an apocalyptic number.
2133001231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2133001231 is an equidigital number, since it uses as much as digits as its factorization.
2133001231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 2133001231 is about 46184.4262820271. The cubic root of 2133001231 is about 1287.2523757414.
Adding to 2133001231 its reverse (1321003312), we get a palindrome (3454004543).
The spelling of 2133001231 in words is "two billion, one hundred thirty-three million, one thousand, two hundred thirty-one".
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