Base | Representation |
---|---|
bin | 1100001001101001011… |
… | …0100000001000111011 |
3 | 201221211000020011022122 |
4 | 3002122112200020323 |
5 | 11410003443122113 |
6 | 235521510311455 |
7 | 21036653616215 |
oct | 3023226401073 |
9 | 657730204278 |
10 | 208748020283 |
11 | 805908a7330 |
12 | 3455935858b |
13 | 168b981593a |
14 | a163c635b5 |
15 | 566b47a408 |
hex | 309a5a023b |
208748020283 has 4 divisors (see below), whose sum is σ = 227725113048. Its totient is φ = 189770927520.
The previous prime is 208748020279. The next prime is 208748020297. The reversal of 208748020283 is 382020847802.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 208748020283 - 22 = 208748020279 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (208748020583) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9488546366 + ... + 9488546387.
It is an arithmetic number, because the mean of its divisors is an integer number (56931278262).
Almost surely, 2208748020283 is an apocalyptic number.
208748020283 is a deficient number, since it is larger than the sum of its proper divisors (18977092765).
208748020283 is a wasteful number, since it uses less digits than its factorization.
208748020283 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18977092764.
The product of its (nonzero) digits is 344064, while the sum is 44.
The spelling of 208748020283 in words is "two hundred eight billion, seven hundred forty-eight million, twenty thousand, two hundred eighty-three".
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