Base | Representation |
---|---|
bin | 1101011001111100… |
… | …11001110111010001 |
3 | 200120120102212000102 |
4 | 12230332121313101 |
5 | 104214413213223 |
6 | 3150052502145 |
7 | 343230360416 |
oct | 65476316721 |
9 | 20516385012 |
10 | 7197007313 |
11 | 3063583131 |
12 | 148a31a955 |
13 | 8a9083012 |
14 | 4c3ba010d |
15 | 2c1c81928 |
hex | 1acf99dd1 |
7197007313 has 2 divisors, whose sum is σ = 7197007314. Its totient is φ = 7197007312.
The previous prime is 7197007291. The next prime is 7197007319. The reversal of 7197007313 is 3137007917.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6311825809 + 885181504 = 79447^2 + 29752^2 .
It is a cyclic number.
It is not a de Polignac number, because 7197007313 - 28 = 7197007057 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (7197007319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3598503656 + 3598503657.
It is an arithmetic number, because the mean of its divisors is an integer number (3598503657).
Almost surely, 27197007313 is an apocalyptic number.
It is an amenable number.
7197007313 is a deficient number, since it is larger than the sum of its proper divisors (1).
7197007313 is an equidigital number, since it uses as much as digits as its factorization.
7197007313 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27783, while the sum is 38.
The square root of 7197007313 is about 84835.1773322836. The cubic root of 7197007313 is about 1930.7111944010.
The spelling of 7197007313 in words is "seven billion, one hundred ninety-seven million, seven thousand, three hundred thirteen".
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