Base | Representation |
---|---|
bin | 1010100000011001… |
… | …0011000011000000 |
3 | 21021112202011212221 |
4 | 2220012103003000 |
5 | 21233434120133 |
6 | 1143503100424 |
7 | 126613333660 |
oct | 25006230300 |
9 | 7245664787 |
10 | 2820223168 |
11 | 1217a40454 |
12 | 6685a1714 |
13 | 35c38b109 |
14 | 1ca7aa1a0 |
15 | 1178d1a2d |
hex | a81930c0 |
2820223168 has 28 divisors (see below), whose sum is σ = 6395864272. Its totient is φ = 1208666880.
The previous prime is 2820223129. The next prime is 2820223193. The reversal of 2820223168 is 8613220282.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (28).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3147123 + ... + 3148018.
It is an arithmetic number, because the mean of its divisors is an integer number (228423724).
Almost surely, 22820223168 is an apocalyptic number.
2820223168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2820223168 is an abundant number, since it is smaller than the sum of its proper divisors (3575641104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2820223168 is an equidigital number, since it uses as much as digits as its factorization.
2820223168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6295160 (or 6295150 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 2820223168 is about 53105.7733961196. The cubic root of 2820223168 is about 1412.8449121211.
The spelling of 2820223168 in words is "two billion, eight hundred twenty million, two hundred twenty-three thousand, one hundred sixty-eight".
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