Base | Representation |
---|---|
bin | 101010110001… |
… | …011010001011 |
3 | 210002122120002 |
4 | 222301122023 |
5 | 10332244202 |
6 | 1040153215 |
7 | 164206202 |
oct | 52613213 |
9 | 23078502 |
10 | 11212427 |
11 | 6369076 |
12 | 390880b |
13 | 2427695 |
14 | 16bc239 |
15 | eb7302 |
hex | ab168b |
11212427 has 2 divisors, whose sum is σ = 11212428. Its totient is φ = 11212426.
The previous prime is 11212363. The next prime is 11212429. The reversal of 11212427 is 72421211.
11212427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 11212427 - 26 = 11212363 is a prime.
Together with 11212429, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 11212399 and 11212408.
It is not a weakly prime, because it can be changed into another prime (11212429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606213 + 5606214.
It is an arithmetic number, because the mean of its divisors is an integer number (5606214).
Almost surely, 211212427 is an apocalyptic number.
11212427 is a deficient number, since it is larger than the sum of its proper divisors (1).
11212427 is an equidigital number, since it uses as much as digits as its factorization.
11212427 is an evil number, because the sum of its binary digits is even.
The product of its digits is 224, while the sum is 20.
The square root of 11212427 is about 3348.4962296529. The cubic root of 11212427 is about 223.8205075175.
Adding to 11212427 its reverse (72421211), we get a palindrome (83633638).
The spelling of 11212427 in words is "eleven million, two hundred twelve thousand, four hundred twenty-seven".
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