Base | Representation |
---|---|
bin | 1000011011101100011… |
… | …1000010100000011111 |
3 | 111211221110022021200211 |
4 | 2012323013002200133 |
5 | 4333200003333224 |
6 | 150315341233251 |
7 | 13316043035536 |
oct | 2067307024037 |
9 | 454843267624 |
10 | 144873105439 |
11 | 56493100407 |
12 | 240b1862827 |
13 | 1087a35173a |
14 | 70248db31d |
15 | 3b7d95e894 |
hex | 21bb1c281f |
144873105439 has 2 divisors, whose sum is σ = 144873105440. Its totient is φ = 144873105438.
The previous prime is 144873105427. The next prime is 144873105557. The reversal of 144873105439 is 934501378441.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 144873105439 - 219 = 144872581151 is a prime.
It is a super-2 number, since 2×1448731054392 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 144873105392 and 144873105401.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144873105739) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72436552719 + 72436552720.
It is an arithmetic number, because the mean of its divisors is an integer number (72436552720).
Almost surely, 2144873105439 is an apocalyptic number.
144873105439 is a deficient number, since it is larger than the sum of its proper divisors (1).
144873105439 is an equidigital number, since it uses as much as digits as its factorization.
144873105439 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1451520, while the sum is 49.
The spelling of 144873105439 in words is "one hundred forty-four billion, eight hundred seventy-three million, one hundred five thousand, four hundred thirty-nine".
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