Base | Representation |
---|---|
bin | 10000110010010000… |
… | …100010010110101111 |
3 | 1201112001120120021012 |
4 | 100302100202112233 |
5 | 243402401040012 |
6 | 12140224455435 |
7 | 1205425345013 |
oct | 206220422657 |
9 | 51461516235 |
10 | 18023065007 |
11 | 7709606552 |
12 | 35aba7a57b |
13 | 1912c47b0c |
14 | c2d912543 |
15 | 707412622 |
hex | 4324225af |
18023065007 has 2 divisors, whose sum is σ = 18023065008. Its totient is φ = 18023065006.
The previous prime is 18023065001. The next prime is 18023065051. The reversal of 18023065007 is 70056032081.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 18023065007 - 214 = 18023048623 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (18023065001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9011532503 + 9011532504.
It is an arithmetic number, because the mean of its divisors is an integer number (9011532504).
Almost surely, 218023065007 is an apocalyptic number.
18023065007 is a deficient number, since it is larger than the sum of its proper divisors (1).
18023065007 is an equidigital number, since it uses as much as digits as its factorization.
18023065007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10080, while the sum is 32.
Adding to 18023065007 its reverse (70056032081), we get a palindrome (88079097088).
The spelling of 18023065007 in words is "eighteen billion, twenty-three million, sixty-five thousand, seven".
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