Base | Representation |
---|---|
bin | 1100111000001100101… |
… | …1110000100110011001 |
3 | 210011001220001101111021 |
4 | 3032003023300212121 |
5 | 12111102010330131 |
6 | 245345503402441 |
7 | 21661431632512 |
oct | 3160313604631 |
9 | 704056041437 |
10 | 221244230041 |
11 | 8591366670a |
12 | 36a662b3421 |
13 | 17b2b7062b3 |
14 | a9cb72ba09 |
15 | 5b4d565e11 |
hex | 33832f0999 |
221244230041 has 6 divisors (see below), whose sum is σ = 235024147790. Its totient is φ = 208229863296.
The previous prime is 221244230023. The next prime is 221244230087. The reversal of 221244230041 is 140032442122.
It can be written as a sum of positive squares in 3 ways, for example, as 41273985600 + 179970244441 = 203160^2 + 424229^2 .
It is not a de Polignac number, because 221244230041 - 29 = 221244229529 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 221244229988 and 221244230015.
It is not an unprimeable number, because it can be changed into a prime (221244230941) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 382775196 + ... + 382775773.
Almost surely, 2221244230041 is an apocalyptic number.
It is an amenable number.
221244230041 is a deficient number, since it is larger than the sum of its proper divisors (13779917749).
221244230041 is an equidigital number, since it uses as much as digits as its factorization.
221244230041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 765551003 (or 765550986 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 221244230041 its reverse (140032442122), we get a palindrome (361276672163).
The spelling of 221244230041 in words is "two hundred twenty-one billion, two hundred forty-four million, two hundred thirty thousand, forty-one".
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