Base | Representation |
---|---|
bin | 1100001010001110110… |
… | …1011110010010000101 |
3 | 201222012221200102200010 |
4 | 3002203231132102011 |
5 | 11410314142140213 |
6 | 235545235540433 |
7 | 21043601341545 |
oct | 3024355362205 |
9 | 658187612603 |
10 | 208905036933 |
11 | 806614a125a |
12 | 345a1a5a719 |
13 | 169132004b8 |
14 | a17aa57325 |
15 | 567a143ac3 |
hex | 30a3b5e485 |
208905036933 has 8 divisors (see below), whose sum is σ = 281005005888. Its totient is φ = 138037546304.
The previous prime is 208905036881. The next prime is 208905036953. The reversal of 208905036933 is 339630509802.
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 208905036933 - 29 = 208905036421 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208905036953) 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, 308119185 + ... + 308119862.
It is an arithmetic number, because the mean of its divisors is an integer number (35125625736).
Almost surely, 2208905036933 is an apocalyptic number.
It is an amenable number.
208905036933 is a deficient number, since it is larger than the sum of its proper divisors (72099968955).
208905036933 is a wasteful number, since it uses less digits than its factorization.
208905036933 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 616239163.
The product of its (nonzero) digits is 1049760, while the sum is 48.
The spelling of 208905036933 in words is "two hundred eight billion, nine hundred five million, thirty-six thousand, nine hundred thirty-three".
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