Base | Representation |
---|---|
bin | 1101011101101010… |
… | …10001001011001100 |
3 | 200122202001220212201 |
4 | 12232311101023030 |
5 | 104300402314420 |
6 | 3153124411244 |
7 | 344056255525 |
oct | 65665211314 |
9 | 20582056781 |
10 | 7228166860 |
11 | 307a125822 |
12 | 1498846b24 |
13 | 8b2672a15 |
14 | 4c7d9184c |
15 | 2c488910a |
hex | 1aed512cc |
7228166860 has 24 divisors (see below), whose sum is σ = 15191552880. Its totient is φ = 2888904384.
The previous prime is 7228166851. The next prime is 7228166867. The reversal of 7228166860 is 686618227.
It is a self number, because there is not a number n which added to its sum of digits gives 7228166860.
It is not an unprimeable number, because it can be changed into a prime (7228166867) 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 7 ways as a sum of consecutive naturals, for example, 122454 + ... + 171613.
It is an arithmetic number, because the mean of its divisors is an integer number (632981370).
Almost surely, 27228166860 is an apocalyptic number.
It is an amenable number.
7228166860 is an abundant number, since it is smaller than the sum of its proper divisors (7963386020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7228166860 is a wasteful number, since it uses less digits than its factorization.
7228166860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 295305 (or 295303 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 46.
The square root of 7228166860 is about 85018.6265473631. The cubic root of 7228166860 is about 1933.4935301924.
The spelling of 7228166860 in words is "seven billion, two hundred twenty-eight million, one hundred sixty-six thousand, eight hundred sixty".
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