Base | Representation |
---|---|
bin | 1101101100011110010011… |
… | …11111010101000101101001 |
3 | 10221122000010022200111220121 |
4 | 12312033021333111011221 |
5 | 12421402322030042441 |
6 | 144014454214523241 |
7 | 6225523540632004 |
oct | 666171177250551 |
9 | 127560108614817 |
10 | 30115404534121 |
11 | 9660964830695 |
12 | 3464698066521 |
13 | 13a5b4153602a |
14 | 76184425653b |
15 | 3735865d4dd1 |
hex | 1b63c9fd5169 |
30115404534121 has 32 divisors (see below), whose sum is σ = 33053807517696. Its totient is φ = 27351324000000.
The previous prime is 30115404534079. The next prime is 30115404534133. The reversal of 30115404534121 is 12143540451103.
It is not a de Polignac number, because 30115404534121 - 29 = 30115404533609 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30115408534121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10734721 + ... + 13246321.
It is an arithmetic number, because the mean of its divisors is an integer number (1032931484928).
Almost surely, 230115404534121 is an apocalyptic number.
30115404534121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
30115404534121 is a deficient number, since it is larger than the sum of its proper divisors (2938402983575).
30115404534121 is a wasteful number, since it uses less digits than its factorization.
30115404534121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2511973.
The product of its (nonzero) digits is 28800, while the sum is 34.
Adding to 30115404534121 its reverse (12143540451103), we get a palindrome (42258944985224).
The spelling of 30115404534121 in words is "thirty trillion, one hundred fifteen billion, four hundred four million, five hundred thirty-four thousand, one hundred twenty-one".
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