Base | Representation |
---|---|
bin | 1000011010000110001… |
… | …1110100111011110111 |
3 | 111210211120201001022022 |
4 | 2012201203310323313 |
5 | 4331310234210112 |
6 | 150205025423355 |
7 | 13302316343114 |
oct | 2064143647367 |
9 | 453746631268 |
10 | 144444444407 |
11 | 56293139a9a |
12 | 23bb219ab5b |
13 | 1080c5b6763 |
14 | 6dc39d590b |
15 | 3b55ed8d72 |
hex | 21a18f4ef7 |
144444444407 has 2 divisors, whose sum is σ = 144444444408. Its totient is φ = 144444444406.
The previous prime is 144444444383. The next prime is 144444444449. The reversal of 144444444407 is 704444444441.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 144444444407 - 218 = 144444182263 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144444446407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72222222203 + 72222222204.
It is an arithmetic number, because the mean of its divisors is an integer number (72222222204).
Almost surely, 2144444444407 is an apocalyptic number.
144444444407 is a deficient number, since it is larger than the sum of its proper divisors (1).
144444444407 is an equidigital number, since it uses as much as digits as its factorization.
144444444407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1835008, while the sum is 44.
Adding to 144444444407 its reverse (704444444441), we get a palindrome (848888888848).
The spelling of 144444444407 in words is "one hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred seven".
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