Base | Representation |
---|---|
bin | 111011110111100… |
… | …0000110110100001 |
3 | 12011222221021100001 |
4 | 1313233000312201 |
5 | 13103224003321 |
6 | 531155500001 |
7 | 100531425361 |
oct | 16757006641 |
9 | 5158837301 |
10 | 2008812961 |
11 | 940a16a01 |
12 | 4808b7601 |
13 | 26024182c |
14 | 150b109a1 |
15 | bb553c91 |
hex | 77bc0da1 |
2008812961 has 8 divisors (see below), whose sum is σ = 2047713920. Its totient is φ = 1970174448.
The previous prime is 2008812941. The next prime is 2008813039. The reversal of 2008812961 is 1692188002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2008812961 - 211 = 2008810913 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2008812961.
It is not an unprimeable number, because it can be changed into a prime (2008812941) 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 7 ways as a sum of consecutive naturals, for example, 50121 + ... + 80806.
It is an arithmetic number, because the mean of its divisors is an integer number (255964240).
Almost surely, 22008812961 is an apocalyptic number.
It is an amenable number.
2008812961 is a deficient number, since it is larger than the sum of its proper divisors (38900959).
2008812961 is a wasteful number, since it uses less digits than its factorization.
2008812961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131223.
The product of its (nonzero) digits is 13824, while the sum is 37.
The square root of 2008812961 is about 44819.7831431612. The cubic root of 2008812961 is about 1261.7689441562.
The spelling of 2008812961 in words is "two billion, eight million, eight hundred twelve thousand, nine hundred sixty-one".
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