Base | Representation |
---|---|
bin | 101110010100… |
… | …111011110011 |
3 | 211211222221112 |
4 | 232110323303 |
5 | 11102104441 |
6 | 1112143535 |
7 | 205140221 |
oct | 56247363 |
9 | 24758845 |
10 | 12144371 |
11 | 6945278 |
12 | 4097bab |
13 | 2692925 |
14 | 1881b11 |
15 | 10ed4eb |
hex | b94ef3 |
12144371 has 2 divisors, whose sum is σ = 12144372. Its totient is φ = 12144370.
The previous prime is 12144347. The next prime is 12144389. The reversal of 12144371 is 17344121.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (17344121) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12144371 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12144331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072185 + 6072186.
It is an arithmetic number, because the mean of its divisors is an integer number (6072186).
Almost surely, 212144371 is an apocalyptic number.
12144371 is a deficient number, since it is larger than the sum of its proper divisors (1).
12144371 is an equidigital number, since it uses as much as digits as its factorization.
12144371 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 672, while the sum is 23.
The square root of 12144371 is about 3484.8774727385. The cubic root of 12144371 is about 229.8573217171.
Adding to 12144371 its reverse (17344121), we get a palindrome (29488492).
The spelling of 12144371 in words is "twelve million, one hundred forty-four thousand, three hundred seventy-one".
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