Base | Representation |
---|---|
bin | 1101011010000001000… |
… | …1101000001010101101 |
3 | 211000111112221012002121 |
4 | 3112200101220022231 |
5 | 12233144443222341 |
6 | 253450352552541 |
7 | 22432412520361 |
oct | 3264021501255 |
9 | 730445835077 |
10 | 230322242221 |
11 | 897519a0615 |
12 | 3877a552751 |
13 | 1894739bc36 |
14 | b20d24d2a1 |
15 | 5ed05024d1 |
hex | 35a04682ad |
230322242221 has 2 divisors, whose sum is σ = 230322242222. Its totient is φ = 230322242220.
The previous prime is 230322242177. The next prime is 230322242237. The reversal of 230322242221 is 122242223032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 225672502500 + 4649739721 = 475050^2 + 68189^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230322242221 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230322246221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115161121110 + 115161121111.
It is an arithmetic number, because the mean of its divisors is an integer number (115161121111).
Almost surely, 2230322242221 is an apocalyptic number.
It is an amenable number.
230322242221 is a deficient number, since it is larger than the sum of its proper divisors (1).
230322242221 is an equidigital number, since it uses as much as digits as its factorization.
230322242221 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 230322242221 its reverse (122242223032), we get a palindrome (352564465253).
The spelling of 230322242221 in words is "two hundred thirty billion, three hundred twenty-two million, two hundred forty-two thousand, two hundred twenty-one".
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