Base | Representation |
---|---|
bin | 1100001000110101100… |
… | …0000100110100010001 |
3 | 201221020211121021210221 |
4 | 3002031120010310101 |
5 | 11404032231010344 |
6 | 235444132353041 |
7 | 21031401356263 |
oct | 3021530046421 |
9 | 657224537727 |
10 | 208530328849 |
11 | 80489a30557 |
12 | 344b8475781 |
13 | 168836a5c3b |
14 | a142d97b33 |
15 | 56572c9184 |
hex | 308d604d11 |
208530328849 has 8 divisors (see below), whose sum is σ = 209052168192. Its totient is φ = 208009104240.
The previous prime is 208530328819. The next prime is 208530328859. The reversal of 208530328849 is 948823035802.
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 208530328849 - 215 = 208530296081 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 208530328796 and 208530328805.
It is not an unprimeable number, because it can be changed into a prime (208530328819) 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, 529392 + ... + 835054.
It is an arithmetic number, because the mean of its divisors is an integer number (26131521024).
Almost surely, 2208530328849 is an apocalyptic number.
It is an amenable number.
208530328849 is a deficient number, since it is larger than the sum of its proper divisors (521839343).
208530328849 is a wasteful number, since it uses less digits than its factorization.
208530328849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307367.
The product of its (nonzero) digits is 3317760, while the sum is 52.
The spelling of 208530328849 in words is "two hundred eight billion, five hundred thirty million, three hundred twenty-eight thousand, eight hundred forty-nine".
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