Base | Representation |
---|---|
bin | 110110001011101… |
… | …0110110110010100 |
3 | 11200201000010112002 |
4 | 1230113112312110 |
5 | 12210410442403 |
6 | 500223214432 |
7 | 63024162653 |
oct | 15427266624 |
9 | 4621003462 |
10 | 1818062228 |
11 | 853281074 |
12 | 428a47418 |
13 | 22c875488 |
14 | 13365919a |
15 | a9925188 |
hex | 6c5d6d94 |
1818062228 has 12 divisors (see below), whose sum is σ = 3201129120. Its totient is φ = 903453912.
The previous prime is 1818062227. The next prime is 1818062237. The reversal of 1818062228 is 8222608181.
It is a junction number, because it is equal to n+sod(n) for n = 1818062191 and 1818062200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1818062227) 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, 1393568 + ... + 1394871.
It is an arithmetic number, because the mean of its divisors is an integer number (266760760).
Almost surely, 21818062228 is an apocalyptic number.
It is an amenable number.
1818062228 is a deficient number, since it is larger than the sum of its proper divisors (1383066892).
1818062228 is a wasteful number, since it uses less digits than its factorization.
1818062228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2788606 (or 2788604 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 38.
The square root of 1818062228 is about 42638.7409288783. The cubic root of 1818062228 is about 1220.4956840917.
It can be divided in two parts, 18180 and 62228, that added together give a palindrome (80408).
The spelling of 1818062228 in words is "one billion, eight hundred eighteen million, sixty-two thousand, two hundred twenty-eight".
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