Base | Representation |
---|---|
bin | 10101100111100000… |
… | …100011100111101101 |
3 | 2012220122101112010011 |
4 | 111213200203213231 |
5 | 340014111033422 |
6 | 14355125213221 |
7 | 1451125564531 |
oct | 254740434755 |
9 | 65818345104 |
10 | 23211424237 |
11 | 9931275641 |
12 | 45b9561211 |
13 | 225bb16371 |
14 | 11a2a05bc1 |
15 | 90cb74077 |
hex | 5678239ed |
23211424237 has 2 divisors, whose sum is σ = 23211424238. Its totient is φ = 23211424236.
The previous prime is 23211424141. The next prime is 23211424273. The reversal of 23211424237 is 73242411232.
Together with next prime (23211424273) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21544661961 + 1666762276 = 146781^2 + 40826^2 .
It is a cyclic number.
It is not a de Polignac number, because 23211424237 - 27 = 23211424109 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23211424199 and 23211424208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23211424837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605712118 + 11605712119.
It is an arithmetic number, because the mean of its divisors is an integer number (11605712119).
Almost surely, 223211424237 is an apocalyptic number.
It is an amenable number.
23211424237 is a deficient number, since it is larger than the sum of its proper divisors (1).
23211424237 is an equidigital number, since it uses as much as digits as its factorization.
23211424237 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 16128, while the sum is 31.
Adding to 23211424237 its reverse (73242411232), we get a palindrome (96453835469).
The spelling of 23211424237 in words is "twenty-three billion, two hundred eleven million, four hundred twenty-four thousand, two hundred thirty-seven".
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