Base | Representation |
---|---|
bin | 10001001110000… |
… | …00010010001111 |
3 | 101001210102212122 |
4 | 20213000102033 |
5 | 243434130021 |
6 | 22155523155 |
7 | 3402512123 |
oct | 1047002217 |
9 | 331712778 |
10 | 144442511 |
11 | 74596884 |
12 | 404594bb |
13 | 23c04455 |
14 | 1527d583 |
15 | ca32bab |
hex | 89c048f |
144442511 has 2 divisors, whose sum is σ = 144442512. Its totient is φ = 144442510.
The previous prime is 144442499. The next prime is 144442513. The reversal of 144442511 is 115244441.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 144442511 - 214 = 144426127 is a prime.
Together with 144442513, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144442513) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72221255 + 72221256.
It is an arithmetic number, because the mean of its divisors is an integer number (72221256).
Almost surely, 2144442511 is an apocalyptic number.
144442511 is a deficient number, since it is larger than the sum of its proper divisors (1).
144442511 is an equidigital number, since it uses as much as digits as its factorization.
144442511 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2560, while the sum is 26.
The square root of 144442511 is about 12018.4238151265. The cubic root of 144442511 is about 524.6846311544.
Adding to 144442511 its reverse (115244441), we get a palindrome (259686952).
The spelling of 144442511 in words is "one hundred forty-four million, four hundred forty-two thousand, five hundred eleven".
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