Base | Representation |
---|---|
bin | 1000011010000110001… |
… | …1110100111100011101 |
3 | 111210211120201001100201 |
4 | 2012201203310330131 |
5 | 4331310234210240 |
6 | 150205025423501 |
7 | 13302316343200 |
oct | 2064143647435 |
9 | 453746631321 |
10 | 144444444445 |
11 | 5629313a024 |
12 | 23bb219ab91 |
13 | 1080c5b6792 |
14 | 6dc39d5937 |
15 | 3b55ed8d9a |
hex | 21a18f4f1d |
144444444445 has 24 divisors (see below), whose sum is σ = 204472574208. Its totient is φ = 97652570400.
The previous prime is 144444444407. The next prime is 144444444449. The reversal of 144444444445 is 544444444441.
144444444445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 144444444445 - 215 = 144444411677 is a prime.
It is a plaindrome in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 144444444395 and 144444444404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144444444449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4134501 + ... + 4169290.
It is an arithmetic number, because the mean of its divisors is an integer number (8519690592).
Almost surely, 2144444444445 is an apocalyptic number.
It is an amenable number.
144444444445 is a deficient number, since it is larger than the sum of its proper divisors (60028129763).
144444444445 is an equidigital number, since it uses as much as digits as its factorization.
144444444445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8303881 (or 8303874 counting only the distinct ones).
The product of its digits is 5242880, while the sum is 46.
Adding to 144444444445 its reverse (544444444441), we get a palindrome (688888888886).
The spelling of 144444444445 in words is "one hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-five".
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