Base | Representation |
---|---|
bin | 10001001100111… |
… | …11101010101111 |
3 | 101001112122121111 |
4 | 20212133222233 |
5 | 243420341121 |
6 | 22153012451 |
7 | 3401414455 |
oct | 1046375257 |
9 | 331478544 |
10 | 144308911 |
11 | 7450546a |
12 | 403b4127 |
13 | 23b886b6 |
14 | 152469d5 |
15 | ca082e1 |
hex | 899faaf |
144308911 has 2 divisors, whose sum is σ = 144308912. Its totient is φ = 144308910.
The previous prime is 144308909. The next prime is 144308921. The reversal of 144308911 is 119803441.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 144308911 - 21 = 144308909 is a prime.
Together with 144308909, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144308921) 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, 72154455 + 72154456.
It is an arithmetic number, because the mean of its divisors is an integer number (72154456).
Almost surely, 2144308911 is an apocalyptic number.
144308911 is a deficient number, since it is larger than the sum of its proper divisors (1).
144308911 is an equidigital number, since it uses as much as digits as its factorization.
144308911 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 144308911 is about 12012.8643961380. The cubic root of 144308911 is about 524.5228147811.
The spelling of 144308911 in words is "one hundred forty-four million, three hundred eight thousand, nine hundred eleven".
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