Base | Representation |
---|---|
bin | 10001011110101000… |
… | …01000101011011001 |
3 | 220012222011111022021 |
4 | 20233110020223121 |
5 | 123204214222134 |
6 | 4151050054441 |
7 | 451352330614 |
oct | 105724105331 |
9 | 26188144267 |
10 | 9383742169 |
11 | 3a8597241a |
12 | 199a71a421 |
13 | b6711b879 |
14 | 65038717b |
15 | 39dc2d0b4 |
hex | 22f508ad9 |
9383742169 has 2 divisors, whose sum is σ = 9383742170. Its totient is φ = 9383742168.
The previous prime is 9383742157. The next prime is 9383742217. The reversal of 9383742169 is 9612473839.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5308579600 + 4075162569 = 72860^2 + 63837^2 .
It is an emirp because it is prime and its reverse (9612473839) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-9383742169 is a prime.
It is a super-2 number, since 2×93837421692 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (9383742139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4691871084 + 4691871085.
It is an arithmetic number, because the mean of its divisors is an integer number (4691871085).
Almost surely, 29383742169 is an apocalyptic number.
It is an amenable number.
9383742169 is a deficient number, since it is larger than the sum of its proper divisors (1).
9383742169 is an equidigital number, since it uses as much as digits as its factorization.
9383742169 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1959552, while the sum is 52.
The square root of 9383742169 is about 96869.7175024269. The cubic root of 9383742169 is about 2109.2368757151.
The spelling of 9383742169 in words is "nine billion, three hundred eighty-three million, seven hundred forty-two thousand, one hundred sixty-nine".
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