Base | Representation |
---|---|
bin | 1110011110010… |
… | …10001001100111 |
3 | 22110110111000222 |
4 | 13033022021213 |
5 | 222040223442 |
6 | 20014154555 |
7 | 3003001253 |
oct | 717121147 |
9 | 273414028 |
10 | 121414247 |
11 | 62598359 |
12 | 347b2a5b |
13 | 1c200866 |
14 | 121a7263 |
15 | a9d48d2 |
hex | 73ca267 |
121414247 has 2 divisors, whose sum is σ = 121414248. Its totient is φ = 121414246.
The previous prime is 121414211. The next prime is 121414261. The reversal of 121414247 is 742414121.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 121414247 - 214 = 121397863 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121414747) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60707123 + 60707124.
It is an arithmetic number, because the mean of its divisors is an integer number (60707124).
Almost surely, 2121414247 is an apocalyptic number.
121414247 is a deficient number, since it is larger than the sum of its proper divisors (1).
121414247 is an equidigital number, since it uses as much as digits as its factorization.
121414247 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1792, while the sum is 26.
The square root of 121414247 is about 11018.8133208617. The cubic root of 121414247 is about 495.1725372075.
Adding to 121414247 its reverse (742414121), we get a palindrome (863828368).
The spelling of 121414247 in words is "one hundred twenty-one million, four hundred fourteen thousand, two hundred forty-seven".
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