Base | Representation |
---|---|
bin | 100100101010011… |
… | …1011001110110111 |
3 | 10011201212202200112 |
4 | 1021110323032313 |
5 | 10004414103023 |
6 | 322023533235 |
7 | 42325500554 |
oct | 11124731667 |
9 | 3151782615 |
10 | 1230222263 |
11 | 581479216 |
12 | 2a3bba21b |
13 | 167b4668a |
14 | b9559a2b |
15 | 7300a478 |
hex | 4953b3b7 |
1230222263 has 2 divisors, whose sum is σ = 1230222264. Its totient is φ = 1230222262.
The previous prime is 1230222239. The next prime is 1230222271. The reversal of 1230222263 is 3622220321.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1230222263 - 26 = 1230222199 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1230222283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615111131 + 615111132.
It is an arithmetic number, because the mean of its divisors is an integer number (615111132).
Almost surely, 21230222263 is an apocalyptic number.
1230222263 is a deficient number, since it is larger than the sum of its proper divisors (1).
1230222263 is an equidigital number, since it uses as much as digits as its factorization.
1230222263 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 1230222263 is about 35074.5244158777. The cubic root of 1230222263 is about 1071.5058028637.
Adding to 1230222263 its reverse (3622220321), we get a palindrome (4852442584).
The spelling of 1230222263 in words is "one billion, two hundred thirty million, two hundred twenty-two thousand, two hundred sixty-three".
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