Base | Representation |
---|---|
bin | 101010101001111… |
… | …0000000101000011 |
3 | 10200202010120120221 |
4 | 1111103300011003 |
5 | 10412344203102 |
6 | 354004243511 |
7 | 50316230236 |
oct | 12523600503 |
9 | 3622116527 |
10 | 1431241027 |
11 | 674997627 |
12 | 33b3a0597 |
13 | 19a6995a8 |
14 | d812541d |
15 | 859b6637 |
hex | 554f0143 |
1431241027 has 2 divisors, whose sum is σ = 1431241028. Its totient is φ = 1431241026.
The previous prime is 1431240989. The next prime is 1431241037. The reversal of 1431241027 is 7201421341.
It is a strong prime.
It is an emirp because it is prime and its reverse (7201421341) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1431241027 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1431240992 and 1431241010.
It is not a weakly prime, because it can be changed into another prime (1431241037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715620513 + 715620514.
It is an arithmetic number, because the mean of its divisors is an integer number (715620514).
Almost surely, 21431241027 is an apocalyptic number.
1431241027 is a deficient number, since it is larger than the sum of its proper divisors (1).
1431241027 is an equidigital number, since it uses as much as digits as its factorization.
1431241027 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 1431241027 is about 37831.7462853620. The cubic root of 1431241027 is about 1126.9489907988.
Adding to 1431241027 its reverse (7201421341), we get a palindrome (8632662368).
The spelling of 1431241027 in words is "one billion, four hundred thirty-one million, two hundred forty-one thousand, twenty-seven".
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