Base | Representation |
---|---|
bin | 1000010001010100… |
… | …0011000101110101 |
3 | 12201201112021122121 |
4 | 2010111003011311 |
5 | 14021322011242 |
6 | 1004144355541 |
7 | 106005424324 |
oct | 20425030565 |
9 | 5651467577 |
10 | 2220110197 |
11 | a3a215718 |
12 | 51b615bb1 |
13 | 294c52c96 |
14 | 170bd40bb |
15 | ced90667 |
hex | 84543175 |
2220110197 has 2 divisors, whose sum is σ = 2220110198. Its totient is φ = 2220110196.
The previous prime is 2220110183. The next prime is 2220110203. The reversal of 2220110197 is 7910110222.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2119589521 + 100520676 = 46039^2 + 10026^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2220110197 is a prime.
It is a super-4 number, since 4×22201101974 (a number of 38 digits) contains 4444 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2220110117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110055098 + 1110055099.
It is an arithmetic number, because the mean of its divisors is an integer number (1110055099).
Almost surely, 22220110197 is an apocalyptic number.
It is an amenable number.
2220110197 is a deficient number, since it is larger than the sum of its proper divisors (1).
2220110197 is an equidigital number, since it uses as much as digits as its factorization.
2220110197 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 504, while the sum is 25.
The square root of 2220110197 is about 47118.0453435836. The cubic root of 2220110197 is about 1304.5423343890.
Adding to 2220110197 its sum of digits (25), we get a palindrome (2220110222).
The spelling of 2220110197 in words is "two billion, two hundred twenty million, one hundred ten thousand, one hundred ninety-seven".
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