Base | Representation |
---|---|
bin | 111100001001011… |
… | …1011101001100110 |
3 | 12012122122122111020 |
4 | 1320102323221212 |
5 | 13113131310323 |
6 | 532133352010 |
7 | 101004443043 |
oct | 17022735146 |
9 | 5178578436 |
10 | 2018228838 |
11 | 94626821a |
12 | 483a98606 |
13 | 26218a562 |
14 | 1520821ca |
15 | bc2b3ae3 |
hex | 784bba66 |
2018228838 has 16 divisors (see below), whose sum is σ = 4038156720. Its totient is φ = 672459776.
The previous prime is 2018228827. The next prime is 2018228843. The reversal of 2018228838 is 8388228102.
It is a self number, because there is not a number n which added to its sum of digits gives 2018228838.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 55083 + ... + 84086.
It is an arithmetic number, because the mean of its divisors is an integer number (252384795).
Almost surely, 22018228838 is an apocalyptic number.
2018228838 is an abundant number, since it is smaller than the sum of its proper divisors (2019927882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2018228838 is a wasteful number, since it uses less digits than its factorization.
2018228838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141591.
The product of its (nonzero) digits is 98304, while the sum is 42.
The square root of 2018228838 is about 44924.7018687937. The cubic root of 2018228838 is about 1263.7372951044.
The spelling of 2018228838 in words is "two billion, eighteen million, two hundred twenty-eight thousand, eight hundred thirty-eight".
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