Base | Representation |
---|---|
bin | 101011111010… |
… | …101001101011 |
3 | 210122220002012 |
4 | 223322221223 |
5 | 10421344202 |
6 | 1050430135 |
7 | 166565633 |
oct | 53725153 |
9 | 23586065 |
10 | 11512427 |
11 | 6553503 |
12 | 3a3234b |
13 | 25010b4 |
14 | 17596c3 |
15 | 1026152 |
hex | afaa6b |
11512427 has 2 divisors, whose sum is σ = 11512428. Its totient is φ = 11512426.
The previous prime is 11512399. The next prime is 11512481. The reversal of 11512427 is 72421511.
It is a weak prime.
It is an emirp because it is prime and its reverse (72421511) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 11512427 - 26 = 11512363 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (11511427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756213 + 5756214.
It is an arithmetic number, because the mean of its divisors is an integer number (5756214).
Almost surely, 211512427 is an apocalyptic number.
11512427 is a deficient number, since it is larger than the sum of its proper divisors (1).
11512427 is an equidigital number, since it uses as much as digits as its factorization.
11512427 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 560, while the sum is 23.
The square root of 11512427 is about 3392.9967580297. The cubic root of 11512427 is about 225.7991467369.
Adding to 11512427 its reverse (72421511), we get a palindrome (83933938).
The spelling of 11512427 in words is "eleven million, five hundred twelve thousand, four hundred twenty-seven".
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