Base | Representation |
---|---|
bin | 111011110110111… |
… | …0110101010011111 |
3 | 12011222100211111110 |
4 | 1313231312222133 |
5 | 13103134242322 |
6 | 531145153103 |
7 | 100526021424 |
oct | 16755665237 |
9 | 5158324443 |
10 | 2008509087 |
11 | 940829672 |
12 | 48078b793 |
13 | 260166420 |
14 | 150a71d4b |
15 | bb4e3c0c |
hex | 77b76a9f |
2008509087 has 8 divisors (see below), whose sum is σ = 2884013104. Its totient is φ = 1236005568.
The previous prime is 2008509077. The next prime is 2008509089. The reversal of 2008509087 is 7809058002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2008509087 - 26 = 2008509023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 51500233 = 2008509087 / (2 + 0 + 0 + 8 + 5 + 0 + 9 + 0 + 8 + 7).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2008509089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25750078 + ... + 25750155.
It is an arithmetic number, because the mean of its divisors is an integer number (360501638).
Almost surely, 22008509087 is an apocalyptic number.
2008509087 is a deficient number, since it is larger than the sum of its proper divisors (875504017).
2008509087 is a wasteful number, since it uses less digits than its factorization.
2008509087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51500249.
The product of its (nonzero) digits is 40320, while the sum is 39.
The square root of 2008509087 is about 44816.3930610218. The cubic root of 2008509087 is about 1261.7053181710.
The spelling of 2008509087 in words is "two billion, eight million, five hundred nine thousand, eighty-seven".
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