Base | Representation |
---|---|
bin | 100111101110111111… |
… | …011001001110110001 |
3 | 11002010100102002001102 |
4 | 213232333121032301 |
5 | 1144334030121424 |
6 | 31333312014145 |
7 | 3040155402425 |
oct | 475677311661 |
9 | 132110362042 |
10 | 42664301489 |
11 | 171039821a7 |
12 | 8328231355 |
13 | 403c04a314 |
14 | 20ca38ab85 |
15 | 119a8697ae |
hex | 9eefd93b1 |
42664301489 has 2 divisors, whose sum is σ = 42664301490. Its totient is φ = 42664301488.
The previous prime is 42664301377. The next prime is 42664301509. The reversal of 42664301489 is 98410346624.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 38379944464 + 4284357025 = 195908^2 + 65455^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42664301489 is a prime.
It is not a weakly prime, because it can be changed into another prime (42664301689) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21332150744 + 21332150745.
It is an arithmetic number, because the mean of its divisors is an integer number (21332150745).
Almost surely, 242664301489 is an apocalyptic number.
It is an amenable number.
42664301489 is a deficient number, since it is larger than the sum of its proper divisors (1).
42664301489 is an equidigital number, since it uses as much as digits as its factorization.
42664301489 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 995328, while the sum is 47.
The spelling of 42664301489 in words is "forty-two billion, six hundred sixty-four million, three hundred one thousand, four hundred eighty-nine".
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