Base | Representation |
---|---|
bin | 111111010010010… |
… | …0001111001010001 |
3 | 12110222202020112222 |
4 | 1332210201321101 |
5 | 13322104131413 |
6 | 550414030425 |
7 | 103423332233 |
oct | 17644417121 |
9 | 5428666488 |
10 | 2123505233 |
11 | 99a732a03 |
12 | 4b31a8415 |
13 | 27ac2a895 |
14 | 162048253 |
15 | c665bb08 |
hex | 7e921e51 |
2123505233 has 2 divisors, whose sum is σ = 2123505234. Its totient is φ = 2123505232.
The previous prime is 2123505217. The next prime is 2123505269. The reversal of 2123505233 is 3325053212.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1807270144 + 316235089 = 42512^2 + 17783^2 .
It is a cyclic number.
It is not a de Polignac number, because 2123505233 - 24 = 2123505217 is a prime.
It is not a weakly prime, because it can be changed into another prime (2123505203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061752616 + 1061752617.
It is an arithmetic number, because the mean of its divisors is an integer number (1061752617).
Almost surely, 22123505233 is an apocalyptic number.
It is an amenable number.
2123505233 is a deficient number, since it is larger than the sum of its proper divisors (1).
2123505233 is an equidigital number, since it uses as much as digits as its factorization.
2123505233 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5400, while the sum is 26.
The square root of 2123505233 is about 46081.5064098386. The cubic root of 2123505233 is about 1285.3392762380.
Adding to 2123505233 its reverse (3325053212), we get a palindrome (5448558445).
The spelling of 2123505233 in words is "two billion, one hundred twenty-three million, five hundred five thousand, two hundred thirty-three".
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