Base | Representation |
---|---|
bin | 100111010110111100… |
… | …001000111110010001 |
3 | 11001002020010211121001 |
4 | 213112330020332101 |
5 | 1143022230422111 |
6 | 31225255302001 |
7 | 3024155555455 |
oct | 472674107621 |
9 | 131066124531 |
10 | 42260795281 |
11 | 16a17131aa1 |
12 | 823507a901 |
13 | 3ca657bb53 |
14 | 208c952665 |
15 | 11752121c1 |
hex | 9d6f08f91 |
42260795281 has 2 divisors, whose sum is σ = 42260795282. Its totient is φ = 42260795280.
The previous prime is 42260795273. The next prime is 42260795393. The reversal of 42260795281 is 18259706224.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 37787860881 + 4472934400 = 194391^2 + 66880^2 .
It is a cyclic number.
It is not a de Polignac number, because 42260795281 - 23 = 42260795273 is a prime.
It is a super-2 number, since 2×422607952812 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (42260795231) 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, 21130397640 + 21130397641.
It is an arithmetic number, because the mean of its divisors is an integer number (21130397641).
Almost surely, 242260795281 is an apocalyptic number.
It is an amenable number.
42260795281 is a deficient number, since it is larger than the sum of its proper divisors (1).
42260795281 is an equidigital number, since it uses as much as digits as its factorization.
42260795281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 483840, while the sum is 46.
The spelling of 42260795281 in words is "forty-two billion, two hundred sixty million, seven hundred ninety-five thousand, two hundred eighty-one".
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