Base | Representation |
---|---|
bin | 10101011100010001… |
… | …110110110010011101 |
3 | 2012102111212122202101 |
4 | 111130101312302131 |
5 | 334122343134323 |
6 | 14324315125101 |
7 | 1443350310553 |
oct | 253421666235 |
9 | 65374778671 |
10 | 23023021213 |
11 | 9844993665 |
12 | 4566443791 |
13 | 222ba8c79a |
14 | 11859a1bd3 |
15 | 8eb35adad |
hex | 55c476c9d |
23023021213 has 2 divisors, whose sum is σ = 23023021214. Its totient is φ = 23023021212.
The previous prime is 23023021199. The next prime is 23023021243. The reversal of 23023021213 is 31212032032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22921051609 + 101969604 = 151397^2 + 10098^2 .
It is a cyclic number.
It is not a de Polignac number, because 23023021213 - 229 = 22486150301 is a prime.
It is a super-3 number, since 3×230230212133 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23023021243) 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, 11511510606 + 11511510607.
It is an arithmetic number, because the mean of its divisors is an integer number (11511510607).
Almost surely, 223023021213 is an apocalyptic number.
It is an amenable number.
23023021213 is a deficient number, since it is larger than the sum of its proper divisors (1).
23023021213 is an equidigital number, since it uses as much as digits as its factorization.
23023021213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 23023021213 its reverse (31212032032), we get a palindrome (54235053245).
The spelling of 23023021213 in words is "twenty-three billion, twenty-three million, twenty-one thousand, two hundred thirteen".
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