Base | Representation |
---|---|
bin | 1010101010110111… |
… | …0001000010110111 |
3 | 21101121100120121220 |
4 | 2222231301002313 |
5 | 21331203432322 |
6 | 1152112041423 |
7 | 130655436666 |
oct | 25255610267 |
9 | 7347316556 |
10 | 2864124087 |
11 | 123a7a5900 |
12 | 67b233273 |
13 | 3684bc3a6 |
14 | 1d2556ddd |
15 | 11b6a455c |
hex | aab710b7 |
2864124087 has 24 divisors (see below), whose sum is σ = 4418494080. Its totient is φ = 1644469200.
The previous prime is 2864124073. The next prime is 2864124089. The reversal of 2864124087 is 7804214682.
It is not a de Polignac number, because 2864124087 - 27 = 2864123959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2864124089) 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 in 23 ways as a sum of consecutive naturals, for example, 200739 + ... + 214532.
It is an arithmetic number, because the mean of its divisors is an integer number (184103920).
Almost surely, 22864124087 is an apocalyptic number.
2864124087 is a deficient number, since it is larger than the sum of its proper divisors (1554369993).
2864124087 is a wasteful number, since it uses less digits than its factorization.
2864124087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 415315 (or 415304 counting only the distinct ones).
The product of its (nonzero) digits is 172032, while the sum is 42.
The square root of 2864124087 is about 53517.5119657108. The cubic root of 2864124087 is about 1420.1382010238.
The spelling of 2864124087 in words is "two billion, eight hundred sixty-four million, one hundred twenty-four thousand, eighty-seven".
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