Base | Representation |
---|---|
bin | 1000000011000001… |
… | …1000100011100100 |
3 | 12120112201212020101 |
4 | 2000300120203210 |
5 | 13411000322030 |
6 | 554203513444 |
7 | 104350055245 |
oct | 20060304344 |
9 | 5515655211 |
10 | 2160167140 |
11 | a093a35aa |
12 | 503528884 |
13 | 2856c5c11 |
14 | 166c6cccc |
15 | c999e7ca |
hex | 80c188e4 |
2160167140 has 24 divisors (see below), whose sum is σ = 4542282360. Its totient is φ = 862937088.
The previous prime is 2160167083. The next prime is 2160167147. The reversal of 2160167140 is 417610612.
It can be written as a sum of positive squares in 4 ways, for example, as 324216036 + 1835951104 = 18006^2 + 42848^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2160167099 and 2160167108.
It is not an unprimeable number, because it can be changed into a prime (2160167147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54847 + ... + 85606.
It is an arithmetic number, because the mean of its divisors is an integer number (189261765).
Almost surely, 22160167140 is an apocalyptic number.
2160167140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2160167140 is an abundant number, since it is smaller than the sum of its proper divisors (2382115220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2160167140 is a wasteful number, since it uses less digits than its factorization.
2160167140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141231 (or 141229 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 2160167140 is about 46477.5982598068. The cubic root of 2160167140 is about 1292.6941550308.
Adding to 2160167140 its reverse (417610612), we get a palindrome (2577777752).
The spelling of 2160167140 in words is "two billion, one hundred sixty million, one hundred sixty-seven thousand, one hundred forty".
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