Base | Representation |
---|---|
bin | 1000010001110101… |
… | …1100011011001000 |
3 | 12201212200002201222 |
4 | 2010131130123020 |
5 | 14022402423422 |
6 | 1004303501212 |
7 | 106033222100 |
oct | 20435343310 |
9 | 5655602658 |
10 | 2222311112 |
11 | a4048925a |
12 | 5202b7808 |
13 | 2955439b8 |
14 | 171208200 |
15 | d0177842 |
hex | 8475c6c8 |
2222311112 has 36 divisors (see below), whose sum is σ = 4849169265. Its totient is φ = 952019040.
The previous prime is 2222311097. The next prime is 2222311241. The reversal of 2222311112 is 2111132222.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 1175529796 + 1046781316 = 34286^2 + 32354^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=33334.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 932162 + ... + 934542.
Almost surely, 22222311112 is an apocalyptic number.
It is an amenable number.
2222311112 is an abundant number, since it is smaller than the sum of its proper divisors (2626858153).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222311112 is an frugal number, since it uses more digits than its factorization.
2222311112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4782 (or 2390 counting only the distinct ones).
The product of its digits is 96, while the sum is 17.
The square root of 2222311112 is about 47141.3948881448. The cubic root of 2222311112 is about 1304.9732797434.
Adding to 2222311112 its reverse (2111132222), we get a palindrome (4333443334).
It can be divided in two parts, 22223 and 11112, that multiplied together give a triangular number (246941976 = T22223).
The spelling of 2222311112 in words is "two billion, two hundred twenty-two million, three hundred eleven thousand, one hundred twelve".
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