Base | Representation |
---|---|
bin | 1000101011110100… |
… | …1111011110110101 |
3 | 20000110202211010000 |
4 | 2022331033132311 |
5 | 14233303410010 |
6 | 1023200021513 |
7 | 111525544113 |
oct | 21275173665 |
9 | 6013684100 |
10 | 2331310005 |
11 | a96a66792 |
12 | 550901899 |
13 | 2b1cb849b |
14 | 18189cab3 |
15 | d9a087c0 |
hex | 8af4f7b5 |
2331310005 has 20 divisors (see below), whose sum is σ = 4179089772. Its totient is φ = 1243365120.
The previous prime is 2331310001. The next prime is 2331310067. The reversal of 2331310005 is 5000131332.
It can be written as a sum of positive squares in 2 ways, for example, as 728028324 + 1603281681 = 26982^2 + 40041^2 .
It is not a de Polignac number, because 2331310005 - 22 = 2331310001 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2331310005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2331310001) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2877756 + ... + 2878565.
Almost surely, 22331310005 is an apocalyptic number.
It is an amenable number.
2331310005 is a deficient number, since it is larger than the sum of its proper divisors (1847779767).
2331310005 is an equidigital number, since it uses as much as digits as its factorization.
2331310005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5756338 (or 5756329 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 18.
The square root of 2331310005 is about 48283.6411737972. The cubic root of 2331310005 is about 1325.9689137079.
Adding to 2331310005 its reverse (5000131332), we get a palindrome (7331441337).
The spelling of 2331310005 in words is "two billion, three hundred thirty-one million, three hundred ten thousand, five".
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