Base | Representation |
---|---|
bin | 1011111111110000… |
… | …1000100110000101 |
3 | 22022102101201112212 |
4 | 2333330020212011 |
5 | 23043333241401 |
6 | 1251312153205 |
7 | 142541231321 |
oct | 27774104605 |
9 | 8272351485 |
10 | 3220212101 |
11 | 14027a9017 |
12 | 75a538805 |
13 | 3c41c7662 |
14 | 22796a981 |
15 | 13ca91dbb |
hex | bff08985 |
3220212101 has 2 divisors, whose sum is σ = 3220212102. Its totient is φ = 3220212100.
The previous prime is 3220212077. The next prime is 3220212133. The reversal of 3220212101 is 1012120223.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2197171876 + 1023040225 = 46874^2 + 31985^2 .
It is an emirp because it is prime and its reverse (1012120223) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3220212101 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3220232101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610106050 + 1610106051.
It is an arithmetic number, because the mean of its divisors is an integer number (1610106051).
Almost surely, 23220212101 is an apocalyptic number.
It is an amenable number.
3220212101 is a deficient number, since it is larger than the sum of its proper divisors (1).
3220212101 is an equidigital number, since it uses as much as digits as its factorization.
3220212101 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 3220212101 is about 56746.9127001637. The cubic root of 3220212101 is about 1476.7086740481.
Adding to 3220212101 its reverse (1012120223), we get a palindrome (4232332324).
The spelling of 3220212101 in words is "three billion, two hundred twenty million, two hundred twelve thousand, one hundred one".
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