Base | Representation |
---|---|
bin | 111011110111011… |
… | …1111110011110000 |
3 | 12011222221001110210 |
4 | 1313232333303300 |
5 | 13103223334223 |
6 | 531155424120 |
7 | 100531410045 |
oct | 16756776360 |
9 | 5158831423 |
10 | 2008808688 |
11 | 940a13777 |
12 | 4808b5040 |
13 | 26023c8c3 |
14 | 150b0d1cc |
15 | bb552893 |
hex | 77bbfcf0 |
2008808688 has 20 divisors (see below), whose sum is σ = 5189422568. Its totient is φ = 669602880.
The previous prime is 2008808677. The next prime is 2008808701. The reversal of 2008808688 is 8868088002.
It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 41850181 = 2008808688 / (2 + 0 + 0 + 8 + 8 + 0 + 8 + 6 + 8 + 8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20925043 + ... + 20925138.
Almost surely, 22008808688 is an apocalyptic number.
It is an amenable number.
2008808688 is an abundant number, since it is smaller than the sum of its proper divisors (3180613880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2008808688 is a wasteful number, since it uses less digits than its factorization.
2008808688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41850192 (or 41850186 counting only the distinct ones).
The product of its (nonzero) digits is 393216, while the sum is 48.
The square root of 2008808688 is about 44819.7354744537. The cubic root of 2008808688 is about 1261.7680495080.
The spelling of 2008808688 in words is "two billion, eight million, eight hundred eight thousand, six hundred eighty-eight".
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