Base | Representation |
---|---|
bin | 10010001111010111… |
… | …00101010111010001 |
3 | 221021110101200110201 |
4 | 21013223211113101 |
5 | 130023342322121 |
6 | 4255412055201 |
7 | 464445143413 |
oct | 110753452721 |
9 | 27243350421 |
10 | 9792542161 |
11 | 41756a8956 |
12 | 1a93604501 |
13 | c00a2175c |
14 | 68c79c9b3 |
15 | 3c4a7de91 |
hex | 247ae55d1 |
9792542161 has 2 divisors, whose sum is σ = 9792542162. Its totient is φ = 9792542160.
The previous prime is 9792542047. The next prime is 9792542203. The reversal of 9792542161 is 1612452979.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9619882561 + 172659600 = 98081^2 + 13140^2 .
It is an emirp because it is prime and its reverse (1612452979) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 9792542161 - 213 = 9792533969 is a prime.
It is not a weakly prime, because it can be changed into another prime (9792512161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4896271080 + 4896271081.
It is an arithmetic number, because the mean of its divisors is an integer number (4896271081).
Almost surely, 29792542161 is an apocalyptic number.
It is an amenable number.
9792542161 is a deficient number, since it is larger than the sum of its proper divisors (1).
9792542161 is an equidigital number, since it uses as much as digits as its factorization.
9792542161 is an evil number, because the sum of its binary digits is even.
The product of its digits is 272160, while the sum is 46.
The square root of 9792542161 is about 98957.2744218433. The cubic root of 9792542161 is about 2139.4319802161.
The spelling of 9792542161 in words is "nine billion, seven hundred ninety-two million, five hundred forty-two thousand, one hundred sixty-one".
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