Base | Representation |
---|---|
bin | 1111110100011100… |
… | …11000111000011111 |
3 | 210220220011022001201 |
4 | 13322032120320133 |
5 | 114343204340411 |
6 | 3522431220331 |
7 | 420315450661 |
oct | 77216307037 |
9 | 23826138051 |
10 | 8493043231 |
11 | 36691130a2 |
12 | 17903776a7 |
13 | a5473088a |
14 | 5a7d6c531 |
15 | 34a93c3c1 |
hex | 1fa398e1f |
8493043231 has 2 divisors, whose sum is σ = 8493043232. Its totient is φ = 8493043230.
The previous prime is 8493043189. The next prime is 8493043241. The reversal of 8493043231 is 1323403948.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 8493043231 - 225 = 8459488799 is a prime.
It is a super-2 number, since 2×84930432312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8493043241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4246521615 + 4246521616.
It is an arithmetic number, because the mean of its divisors is an integer number (4246521616).
Almost surely, 28493043231 is an apocalyptic number.
8493043231 is a deficient number, since it is larger than the sum of its proper divisors (1).
8493043231 is an equidigital number, since it uses as much as digits as its factorization.
8493043231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 62208, while the sum is 37.
The square root of 8493043231 is about 92157.7084730301. The cubic root of 8493043231 is about 2040.2706317075.
The spelling of 8493043231 in words is "eight billion, four hundred ninety-three million, forty-three thousand, two hundred thirty-one".
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