Base | Representation |
---|---|
bin | 111111011100011… |
… | …1100000100000111 |
3 | 12111100211001110201 |
4 | 1332320330010013 |
5 | 13324441332203 |
6 | 551124431331 |
7 | 103516654141 |
oct | 17670740407 |
9 | 5440731421 |
10 | 2128855303 |
11 | 9a2757553 |
12 | 4b4b48547 |
13 | 27c081ac3 |
14 | 162a3bc91 |
15 | c6d66e1d |
hex | 7ee3c107 |
2128855303 has 4 divisors (see below), whose sum is σ = 2132584168. Its totient is φ = 2125126440.
The previous prime is 2128855301. The next prime is 2128855307. The reversal of 2128855303 is 3035588212.
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 2128855303 - 21 = 2128855301 is a prime.
It is a super-2 number, since 2×21288553032 = 9064049802222443618, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2128855301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1863576 + ... + 1864717.
It is an arithmetic number, because the mean of its divisors is an integer number (533146042).
Almost surely, 22128855303 is an apocalyptic number.
2128855303 is a deficient number, since it is larger than the sum of its proper divisors (3728865).
2128855303 is an equidigital number, since it uses as much as digits as its factorization.
2128855303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3728864.
The product of its (nonzero) digits is 57600, while the sum is 37.
The square root of 2128855303 is about 46139.5199693278. The cubic root of 2128855303 is about 1286.4178212666.
The spelling of 2128855303 in words is "two billion, one hundred twenty-eight million, eight hundred fifty-five thousand, three hundred three".
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