Base | Representation |
---|---|
bin | 11100001001111010… |
… | …010001000000101001 |
3 | 2220000212000221201200 |
4 | 130021322101000221 |
5 | 443403121240131 |
6 | 21515444034413 |
7 | 2120103412656 |
oct | 341172210051 |
9 | 86025027650 |
10 | 30231040041 |
11 | 119036a7914 |
12 | 5a38392a09 |
13 | 2b0a1c9897 |
14 | 166adcac2d |
15 | bbe0652e6 |
hex | 709e91029 |
30231040041 has 12 divisors (see below), whose sum is σ = 46235708532. Its totient is φ = 18968495616.
The previous prime is 30231040039. The next prime is 30231040097. The reversal of 30231040041 is 14004013203.
30231040041 is a `hidden beast` number, since 30 + 231 + 0 + 400 + 4 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 19289043225 + 10941996816 = 138885^2 + 104604^2 .
It is not a de Polignac number, because 30231040041 - 21 = 30231040039 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30231039996 and 30231040023.
It is not an unprimeable number, because it can be changed into a prime (30231041041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98794096 + ... + 98794401.
It is an arithmetic number, because the mean of its divisors is an integer number (3852975711).
Almost surely, 230231040041 is an apocalyptic number.
It is an amenable number.
30231040041 is a deficient number, since it is larger than the sum of its proper divisors (16004668491).
30231040041 is a wasteful number, since it uses less digits than its factorization.
30231040041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197588520 (or 197588517 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 30231040041 its reverse (14004013203), we get a palindrome (44235053244).
The spelling of 30231040041 in words is "thirty billion, two hundred thirty-one million, forty thousand, forty-one".
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