Base | Representation |
---|---|
bin | 1000011000100101101… |
… | …1011000110011110101 |
3 | 111202210100212202012101 |
4 | 2012021123120303311 |
5 | 4324443113010434 |
6 | 150100524022101 |
7 | 13256302135114 |
oct | 2061133306365 |
9 | 452710782171 |
10 | 144039578869 |
11 | 560a565057a |
12 | 23aba691931 |
13 | 10776760654 |
14 | 6d85d25c7b |
15 | 3b306b3b14 |
hex | 21896d8cf5 |
144039578869 has 2 divisors, whose sum is σ = 144039578870. Its totient is φ = 144039578868.
The previous prime is 144039578861. The next prime is 144039578909. The reversal of 144039578869 is 968875930441.
144039578869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 72758588644 + 71280990225 = 269738^2 + 266985^2 .
It is a cyclic number.
It is not a de Polignac number, because 144039578869 - 23 = 144039578861 is a prime.
It is a super-2 number, since 2×1440395788692 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 144039578869.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144039578861) 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 as a sum of consecutive naturals, namely, 72019789434 + 72019789435.
It is an arithmetic number, because the mean of its divisors is an integer number (72019789435).
Almost surely, 2144039578869 is an apocalyptic number.
It is an amenable number.
144039578869 is a deficient number, since it is larger than the sum of its proper divisors (1).
144039578869 is an equidigital number, since it uses as much as digits as its factorization.
144039578869 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 52254720, while the sum is 64.
The spelling of 144039578869 in words is "one hundred forty-four billion, thirty-nine million, five hundred seventy-eight thousand, eight hundred sixty-nine".
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