Base | Representation |
---|---|
bin | 11010010110111… |
… | …10111100011101 |
3 | 120102001202120122 |
4 | 31023132330131 |
5 | 423101123031 |
6 | 33535124325 |
7 | 5323303433 |
oct | 1513367435 |
9 | 512052518 |
10 | 221114141 |
11 | 1038a4366 |
12 | 620736a5 |
13 | 36a6a891 |
14 | 2151ad53 |
15 | 1462a47b |
hex | d2def1d |
221114141 has 2 divisors, whose sum is σ = 221114142. Its totient is φ = 221114140.
The previous prime is 221114129. The next prime is 221114161. The reversal of 221114141 is 141411122.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 159491641 + 61622500 = 12629^2 + 7850^2 .
It is a cyclic number.
It is not a de Polignac number, because 221114141 - 218 = 220851997 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (221114161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110557070 + 110557071.
It is an arithmetic number, because the mean of its divisors is an integer number (110557071).
Almost surely, 2221114141 is an apocalyptic number.
It is an amenable number.
221114141 is a deficient number, since it is larger than the sum of its proper divisors (1).
221114141 is an equidigital number, since it uses as much as digits as its factorization.
221114141 is an evil number, because the sum of its binary digits is even.
The product of its digits is 64, while the sum is 17.
The square root of 221114141 is about 14869.9072290314. The cubic root of 221114141 is about 604.6984276672.
Adding to 221114141 its reverse (141411122), we get a palindrome (362525263).
The spelling of 221114141 in words is "two hundred twenty-one million, one hundred fourteen thousand, one hundred forty-one".
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