Base | Representation |
---|---|
bin | 111110101111110… |
… | …1010011111101011 |
3 | 12102201210001220002 |
4 | 1331133222133223 |
5 | 13302443440043 |
6 | 544531053215 |
7 | 103114023356 |
oct | 17537523753 |
9 | 5381701802 |
10 | 2105452523 |
11 | 990522709 |
12 | 4a914120b |
13 | 2772798c5 |
14 | 15d8a929d |
15 | c4c92bb8 |
hex | 7d7ea7eb |
2105452523 has 2 divisors, whose sum is σ = 2105452524. Its totient is φ = 2105452522.
The previous prime is 2105452501. The next prime is 2105452537. The reversal of 2105452523 is 3252545012.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2105452523 - 28 = 2105452267 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is not a weakly prime, because it can be changed into another prime (2105452423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052726261 + 1052726262.
It is an arithmetic number, because the mean of its divisors is an integer number (1052726262).
Almost surely, 22105452523 is an apocalyptic number.
2105452523 is a deficient number, since it is larger than the sum of its proper divisors (1).
2105452523 is an equidigital number, since it uses as much as digits as its factorization.
2105452523 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12000, while the sum is 29.
The square root of 2105452523 is about 45885.2102861042. The cubic root of 2105452523 is about 1281.6865225965.
Adding to 2105452523 its reverse (3252545012), we get a palindrome (5357997535).
The spelling of 2105452523 in words is "two billion, one hundred five million, four hundred fifty-two thousand, five hundred twenty-three".
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