Base | Representation |
---|---|
bin | 101101000101111… |
… | …0110000011010111 |
3 | 10220110002010110201 |
4 | 1122023312003113 |
5 | 11044320220143 |
6 | 410050001331 |
7 | 52331515246 |
oct | 13213660327 |
9 | 3813063421 |
10 | 1513054423 |
11 | 707097201 |
12 | 362876247 |
13 | 1b161319a |
14 | 104d4095d |
15 | 8cc7764d |
hex | 5a2f60d7 |
1513054423 has 2 divisors, whose sum is σ = 1513054424. Its totient is φ = 1513054422.
The previous prime is 1513054421. The next prime is 1513054453. The reversal of 1513054423 is 3244503151.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1513054423 - 21 = 1513054421 is a prime.
Together with 1513054421, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 1513054391 and 1513054400.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1513054421) 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, 756527211 + 756527212.
It is an arithmetic number, because the mean of its divisors is an integer number (756527212).
Almost surely, 21513054423 is an apocalyptic number.
1513054423 is a deficient number, since it is larger than the sum of its proper divisors (1).
1513054423 is an equidigital number, since it uses as much as digits as its factorization.
1513054423 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7200, while the sum is 28.
The square root of 1513054423 is about 38898.0002442285. Note that the first 3 decimals coincide. The cubic root of 1513054423 is about 1148.0254517195.
Adding to 1513054423 its reverse (3244503151), we get a palindrome (4757557574).
The spelling of 1513054423 in words is "one billion, five hundred thirteen million, fifty-four thousand, four hundred twenty-three".
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