Base | Representation |
---|---|
bin | 10001001101011… |
… | …10010111101101 |
3 | 101001122201012221 |
4 | 20212232113231 |
5 | 243424303013 |
6 | 22154155341 |
7 | 3402055156 |
oct | 1046562755 |
9 | 331581187 |
10 | 144369133 |
11 | 74546737 |
12 | 40422b51 |
13 | 23ba9c2c |
14 | 1526092d |
15 | ca1b08d |
hex | 89ae5ed |
144369133 has 2 divisors, whose sum is σ = 144369134. Its totient is φ = 144369132.
The previous prime is 144369131. The next prime is 144369167. The reversal of 144369133 is 331963441.
It is an a-pointer prime, because the next prime (144369167) can be obtained adding 144369133 to its sum of digits (34).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 85340644 + 59028489 = 9238^2 + 7683^2 .
It is a cyclic number.
It is not a de Polignac number, because 144369133 - 21 = 144369131 is a prime.
Together with 144369131, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144369131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72184566 + 72184567.
It is an arithmetic number, because the mean of its divisors is an integer number (72184567).
Almost surely, 2144369133 is an apocalyptic number.
It is an amenable number.
144369133 is a deficient number, since it is larger than the sum of its proper divisors (1).
144369133 is an equidigital number, since it uses as much as digits as its factorization.
144369133 is an evil number, because the sum of its binary digits is even.
The product of its digits is 23328, while the sum is 34.
The square root of 144369133 is about 12015.3706975690. The cubic root of 144369133 is about 524.5957680491.
The spelling of 144369133 in words is "one hundred forty-four million, three hundred sixty-nine thousand, one hundred thirty-three".
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