Base | Representation |
---|---|
bin | 110000000100001100… |
… | …1111011011110000101 |
3 | 100212102121001222101021 |
4 | 1200020121323132011 |
5 | 3142343334330041 |
6 | 115230235431141 |
7 | 10312615323136 |
oct | 1401031733605 |
9 | 325377058337 |
10 | 103220230021 |
11 | 3a859146627 |
12 | 180082b54b1 |
13 | 996ca122ac |
14 | 4dd29d3c8d |
15 | 2a41cd1cd1 |
hex | 180867b785 |
103220230021 has 2 divisors, whose sum is σ = 103220230022. Its totient is φ = 103220230020.
The previous prime is 103220229989. The next prime is 103220230027. The reversal of 103220230021 is 120032022301.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 103178433796 + 41796225 = 321214^2 + 6465^2 .
It is an emirp because it is prime and its reverse (120032022301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 103220230021 - 25 = 103220229989 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 103220229977 and 103220230004.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103220230027) 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, 51610115010 + 51610115011.
It is an arithmetic number, because the mean of its divisors is an integer number (51610115011).
Almost surely, 2103220230021 is an apocalyptic number.
It is an amenable number.
103220230021 is a deficient number, since it is larger than the sum of its proper divisors (1).
103220230021 is an equidigital number, since it uses as much as digits as its factorization.
103220230021 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 103220230021 its reverse (120032022301), we get a palindrome (223252252322).
The spelling of 103220230021 in words is "one hundred three billion, two hundred twenty million, two hundred thirty thousand, twenty-one".
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