Base | Representation |
---|---|
bin | 111110110101000… |
… | …1110011111100100 |
3 | 12102220222202002112 |
4 | 1331222032133210 |
5 | 13304201041122 |
6 | 545110300152 |
7 | 103146405053 |
oct | 17552163744 |
9 | 5386882075 |
10 | 2108221412 |
11 | 992043a50 |
12 | 4aa057658 |
13 | 277a08cbb |
14 | 15ddca39a |
15 | c513d2e2 |
hex | 7da8e7e4 |
2108221412 has 12 divisors (see below), whose sum is σ = 4024786416. Its totient is φ = 958282440.
The previous prime is 2108221373. The next prime is 2108221421. The reversal of 2108221412 is 2141228012.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23957018 + ... + 23957105.
It is an arithmetic number, because the mean of its divisors is an integer number (335398868).
Almost surely, 22108221412 is an apocalyptic number.
2108221412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2108221412 is a deficient number, since it is larger than the sum of its proper divisors (1916565004).
2108221412 is a wasteful number, since it uses less digits than its factorization.
2108221412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47914138 (or 47914136 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 23.
The square root of 2108221412 is about 45915.3722842361. The cubic root of 2108221412 is about 1282.2481268296.
Adding to 2108221412 its reverse (2141228012), we get a palindrome (4249449424).
The spelling of 2108221412 in words is "two billion, one hundred eight million, two hundred twenty-one thousand, four hundred twelve".
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