Base | Representation |
---|---|
bin | 1100000111100111100… |
… | …1111000110011000001 |
3 | 201220102001220012012101 |
4 | 3001321321320303001 |
5 | 11402400113220233 |
6 | 235351502430401 |
7 | 21020323544452 |
oct | 3017171706301 |
9 | 656361805171 |
10 | 208203648193 |
11 | 80331593542 |
12 | 34426b92401 |
13 | 16830ac5c88 |
14 | a11183b129 |
15 | 5638799c7d |
hex | 3079e78cc1 |
208203648193 has 8 divisors (see below), whose sum is σ = 221101221600. Its totient is φ = 195500023488.
The previous prime is 208203648127. The next prime is 208203648203. The reversal of 208203648193 is 391846302802.
208203648193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 208203648193 - 229 = 207666777281 is a prime.
It is not an unprimeable number, because it can be changed into a prime (208203648113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48484963 + ... + 48489256.
It is an arithmetic number, because the mean of its divisors is an integer number (27637652700).
Almost surely, 2208203648193 is an apocalyptic number.
It is an amenable number.
208203648193 is a deficient number, since it is larger than the sum of its proper divisors (12897573407).
208203648193 is a wasteful number, since it uses less digits than its factorization.
208203648193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96974351.
The product of its (nonzero) digits is 497664, while the sum is 46.
The spelling of 208203648193 in words is "two hundred eight billion, two hundred three million, six hundred forty-eight thousand, one hundred ninety-three".
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