Base | Representation |
---|---|
bin | 1000011010011101100… |
… | …1010010011100100001 |
3 | 111211002101220220122221 |
4 | 2012213121102130201 |
5 | 4332010320014433 |
6 | 150222444031041 |
7 | 13304615442424 |
oct | 2064731223441 |
9 | 454071826587 |
10 | 144542344993 |
11 | 56333427172 |
12 | 2401ab32481 |
13 | 108269737b7 |
14 | 6dd29db9bb |
15 | 3b5e8c672d |
hex | 21a7652721 |
144542344993 has 2 divisors, whose sum is σ = 144542344994. Its totient is φ = 144542344992.
The previous prime is 144542344967. The next prime is 144542345029. The reversal of 144542344993 is 399443245441.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 143926908129 + 615436864 = 379377^2 + 24808^2 .
It is a cyclic number.
It is not a de Polignac number, because 144542344993 - 29 = 144542344481 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 144542344993.
It is not a weakly prime, because it can be changed into another prime (144542344913) 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, 72271172496 + 72271172497.
It is an arithmetic number, because the mean of its divisors is an integer number (72271172497).
Almost surely, 2144542344993 is an apocalyptic number.
It is an amenable number.
144542344993 is a deficient number, since it is larger than the sum of its proper divisors (1).
144542344993 is an equidigital number, since it uses as much as digits as its factorization.
144542344993 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 7464960, while the sum is 52.
The spelling of 144542344993 in words is "one hundred forty-four billion, five hundred forty-two million, three hundred forty-four thousand, nine hundred ninety-three".
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