Base | Representation |
---|---|
bin | 1100010101101100… |
… | …1001111101001101 |
3 | 22112211112201200101 |
4 | 3011123021331031 |
5 | 23240412331341 |
6 | 1304400331101 |
7 | 145036330606 |
oct | 30533117515 |
9 | 8484481611 |
10 | 3312230221 |
11 | 144a738653 |
12 | 785313a91 |
13 | 40a2a5051 |
14 | 235c80dad |
15 | 145bbb831 |
hex | c56c9f4d |
3312230221 has 2 divisors, whose sum is σ = 3312230222. Its totient is φ = 3312230220.
The previous prime is 3312230189. The next prime is 3312230237. The reversal of 3312230221 is 1220322133.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3304640196 + 7590025 = 57486^2 + 2755^2 .
It is an emirp because it is prime and its reverse (1220322133) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3312230221 - 25 = 3312230189 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3312230281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656115110 + 1656115111.
It is an arithmetic number, because the mean of its divisors is an integer number (1656115111).
Almost surely, 23312230221 is an apocalyptic number.
It is an amenable number.
3312230221 is a deficient number, since it is larger than the sum of its proper divisors (1).
3312230221 is an equidigital number, since it uses as much as digits as its factorization.
3312230221 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 3312230221 is about 57551.9784282000. The cubic root of 3312230221 is about 1490.6425199130.
Adding to 3312230221 its reverse (1220322133), we get a palindrome (4532552354).
The spelling of 3312230221 in words is "three billion, three hundred twelve million, two hundred thirty thousand, two hundred twenty-one".
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