Base | Representation |
---|---|
bin | 11100001110101111… |
… | …100001110101000110 |
3 | 2220020111120210202201 |
4 | 130032233201311012 |
5 | 444034400031210 |
6 | 21531501425114 |
7 | 2122106460466 |
oct | 341657416506 |
9 | 86214523681 |
10 | 30312111430 |
11 | 1194543aa67 |
12 | 5a5b56b19a |
13 | 2b20c43813 |
14 | 1677a91ba6 |
15 | bc622b53a |
hex | 70ebe1d46 |
30312111430 has 16 divisors (see below), whose sum is σ = 54627631920. Its totient is φ = 12110215392.
The previous prime is 30312111421. The next prime is 30312111433. The reversal of 30312111430 is 3411121303.
It is a junction number, because it is equal to n+sod(n) for n = 30312111398 and 30312111407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30312111433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819944 + ... + 1836523.
It is an arithmetic number, because the mean of its divisors is an integer number (3414226995).
Almost surely, 230312111430 is an apocalyptic number.
30312111430 is a deficient number, since it is larger than the sum of its proper divisors (24315520490).
30312111430 is a wasteful number, since it uses less digits than its factorization.
30312111430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3657303.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 30312111430 its reverse (3411121303), we get a palindrome (33723232733).
The spelling of 30312111430 in words is "thirty billion, three hundred twelve million, one hundred eleven thousand, four hundred thirty".
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