Base | Representation |
---|---|
bin | 111110100111011… |
… | …0000011000111110 |
3 | 12102102102212220210 |
4 | 1331032300120332 |
5 | 13300330121342 |
6 | 544252053250 |
7 | 103031243250 |
oct | 17516603076 |
9 | 5372385823 |
10 | 2101020222 |
11 | 988a75654 |
12 | 4a7764226 |
13 | 276387342 |
14 | 15d073cd0 |
15 | c46b979c |
hex | 7d3b063e |
2101020222 has 16 divisors (see below), whose sum is σ = 4802332032. Its totient is φ = 600291480.
The previous prime is 2101020203. The next prime is 2101020379. The reversal of 2101020222 is 2220201012.
It is a super-4 number, since 4×21010202224 (a number of 38 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2101020198 and 2101020207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25012104 + ... + 25012187.
It is an arithmetic number, because the mean of its divisors is an integer number (300145752).
Almost surely, 22101020222 is an apocalyptic number.
2101020222 is an abundant number, since it is smaller than the sum of its proper divisors (2701311810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101020222 is a wasteful number, since it uses less digits than its factorization.
2101020222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50024303.
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 2101020222 is about 45836.8871325268. The cubic root of 2101020222 is about 1280.7865084039.
Adding to 2101020222 its reverse (2220201012), we get a palindrome (4321221234).
The spelling of 2101020222 in words is "two billion, one hundred one million, twenty thousand, two hundred twenty-two".
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