Base | Representation |
---|---|
bin | 1000000101000110… |
… | …0000100011011111 |
3 | 12121011002000210001 |
4 | 2001101200203133 |
5 | 13420211210110 |
6 | 555113555131 |
7 | 104513632516 |
oct | 20121404337 |
9 | 5534060701 |
10 | 2168850655 |
11 | a13294664 |
12 | 506415aa7 |
13 | 2874464aa |
14 | 16808d67d |
15 | ca61763a |
hex | 814608df |
2168850655 has 8 divisors (see below), whose sum is σ = 2604732192. Its totient is φ = 1733672928.
The previous prime is 2168850617. The next prime is 2168850661. The reversal of 2168850655 is 5560588612.
It is a happy number.
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 2168850655 - 213 = 2168842463 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169147 + ... + 181516.
It is an arithmetic number, because the mean of its divisors is an integer number (325591524).
Almost surely, 22168850655 is an apocalyptic number.
2168850655 is a deficient number, since it is larger than the sum of its proper divisors (435881537).
2168850655 is a wasteful number, since it uses less digits than its factorization.
2168850655 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351905.
The product of its (nonzero) digits is 576000, while the sum is 46.
The square root of 2168850655 is about 46570.9207016567. The cubic root of 2168850655 is about 1294.4239782042.
The spelling of 2168850655 in words is "two billion, one hundred sixty-eight million, eight hundred fifty thousand, six hundred fifty-five".
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