Base | Representation |
---|---|
bin | 100111100100100000… |
… | …101010101011001101 |
3 | 11001200002120010111221 |
4 | 213210200222223031 |
5 | 1144004022134232 |
6 | 31304031243341 |
7 | 3032622033652 |
oct | 474440525315 |
9 | 131602503457 |
10 | 42488474317 |
11 | 170236aa693 |
12 | 8299379551 |
13 | 40117a7883 |
14 | 20b0c9bc29 |
15 | 118a1d7897 |
hex | 9e482aacd |
42488474317 has 2 divisors, whose sum is σ = 42488474318. Its totient is φ = 42488474316.
The previous prime is 42488474299. The next prime is 42488474321. The reversal of 42488474317 is 71347488424.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 38314539081 + 4173935236 = 195741^2 + 64606^2 .
It is a cyclic number.
It is not a de Polignac number, because 42488474317 - 215 = 42488441549 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42488474117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21244237158 + 21244237159.
It is an arithmetic number, because the mean of its divisors is an integer number (21244237159).
Almost surely, 242488474317 is an apocalyptic number.
It is an amenable number.
42488474317 is a deficient number, since it is larger than the sum of its proper divisors (1).
42488474317 is an equidigital number, since it uses as much as digits as its factorization.
42488474317 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4816896, while the sum is 52.
The spelling of 42488474317 in words is "forty-two billion, four hundred eighty-eight million, four hundred seventy-four thousand, three hundred seventeen".
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