Base | Representation |
---|---|
bin | 111011011011011… |
… | …1101011010100111 |
3 | 12010222021201202201 |
4 | 1312312331122213 |
5 | 13040443300243 |
6 | 525512515331 |
7 | 100262505334 |
oct | 16666753247 |
9 | 5128251681 |
10 | 1994118823 |
11 | 93369aa94 |
12 | 4779abb47 |
13 | 25a198488 |
14 | 14cba798b |
15 | ba10004d |
hex | 76dbd6a7 |
1994118823 has 2 divisors, whose sum is σ = 1994118824. Its totient is φ = 1994118822.
The previous prime is 1994118817. The next prime is 1994118827. The reversal of 1994118823 is 3288114991.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1994118823 - 29 = 1994118311 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1994118827) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997059411 + 997059412.
It is an arithmetic number, because the mean of its divisors is an integer number (997059412).
Almost surely, 21994118823 is an apocalyptic number.
1994118823 is a deficient number, since it is larger than the sum of its proper divisors (1).
1994118823 is an equidigital number, since it uses as much as digits as its factorization.
1994118823 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 124416, while the sum is 46.
The square root of 1994118823 is about 44655.5575824555. The cubic root of 1994118823 is about 1258.6848676174.
The spelling of 1994118823 in words is "one billion, nine hundred ninety-four million, one hundred eighteen thousand, eight hundred twenty-three".
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