Base | Representation |
---|---|
bin | 100010000011101… |
… | …1111011100010111 |
3 | 2221122101222202111 |
4 | 1010013133130113 |
5 | 4320030030422 |
6 | 305222251451 |
7 | 40214522443 |
oct | 10407373427 |
9 | 2848358674 |
10 | 1142814487 |
11 | 5370a8491 |
12 | 27a886b87 |
13 | 1529c15b9 |
14 | abac5823 |
15 | 6a4e1a77 |
hex | 441df717 |
1142814487 has 2 divisors, whose sum is σ = 1142814488. Its totient is φ = 1142814486.
The previous prime is 1142814479. The next prime is 1142814499. The reversal of 1142814487 is 7844182411.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1142814487 - 23 = 1142814479 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1142814437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571407243 + 571407244.
It is an arithmetic number, because the mean of its divisors is an integer number (571407244).
Almost surely, 21142814487 is an apocalyptic number.
1142814487 is a deficient number, since it is larger than the sum of its proper divisors (1).
1142814487 is an equidigital number, since it uses as much as digits as its factorization.
1142814487 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 57344, while the sum is 40.
The square root of 1142814487 is about 33805.5392946186. The cubic root of 1142814487 is about 1045.5029094191.
Adding to 1142814487 its reverse (7844182411), we get a palindrome (8986996898).
The spelling of 1142814487 in words is "one billion, one hundred forty-two million, eight hundred fourteen thousand, four hundred eighty-seven".
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