Base | Representation |
---|---|
bin | 111110100111111… |
… | …1001101000011110 |
3 | 12102110000010102220 |
4 | 1331033321220132 |
5 | 13300414221342 |
6 | 544302330210 |
7 | 103033633011 |
oct | 17517715036 |
9 | 5373003386 |
10 | 2101320222 |
11 | 98915aa91 |
12 | 4a7889966 |
13 | 276460a61 |
14 | 15d111378 |
15 | c47285ec |
hex | 7d3f9a1e |
2101320222 has 16 divisors (see below), whose sum is σ = 4347559440. Its totient is φ = 676286912.
The previous prime is 2101320187. The next prime is 2101320229. The reversal of 2101320222 is 2220231012.
It is a happy number.
It is a super-2 number, since 2×21013202222 = 8831093350772258568, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101320229) 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, 6038103 + ... + 6038450.
It is an arithmetic number, because the mean of its divisors is an integer number (271722465).
Almost surely, 22101320222 is an apocalyptic number.
2101320222 is an abundant number, since it is smaller than the sum of its proper divisors (2246239218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101320222 is a wasteful number, since it uses less digits than its factorization.
2101320222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12076587.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2101320222 is about 45840.1594892513. The cubic root of 2101320222 is about 1280.8474657207.
Adding to 2101320222 its reverse (2220231012), we get a palindrome (4321551234).
The spelling of 2101320222 in words is "two billion, one hundred one million, three hundred twenty thousand, two hundred twenty-two".
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