Base | Representation |
---|---|
bin | 10101100111100011… |
… | …100001100011100101 |
3 | 2012220200212001022002 |
4 | 111213203201203211 |
5 | 340014310432323 |
6 | 14355154015045 |
7 | 1451135314634 |
oct | 254743414345 |
9 | 65820761262 |
10 | 23212202213 |
11 | 99317570a2 |
12 | 45b9877485 |
13 | 225c0294c5 |
14 | 11a2b6951b |
15 | 90cc79828 |
hex | 5678e18e5 |
23212202213 has 2 divisors, whose sum is σ = 23212202214. Its totient is φ = 23212202212.
The previous prime is 23212202179. The next prime is 23212202249. The reversal of 23212202213 is 31220221232.
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., 20943299524 + 2268902689 = 144718^2 + 47633^2 .
It is a cyclic number.
It is not a de Polignac number, because 23212202213 - 210 = 23212201189 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23212202113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606101106 + 11606101107.
It is an arithmetic number, because the mean of its divisors is an integer number (11606101107).
Almost surely, 223212202213 is an apocalyptic number.
It is an amenable number.
23212202213 is a deficient number, since it is larger than the sum of its proper divisors (1).
23212202213 is an equidigital number, since it uses as much as digits as its factorization.
23212202213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 23212202213 its reverse (31220221232), we get a palindrome (54432423445).
The spelling of 23212202213 in words is "twenty-three billion, two hundred twelve million, two hundred two thousand, two hundred thirteen".
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