Base | Representation |
---|---|
bin | 11011111111111001… |
… | …011001110001011111 |
3 | 2212121010220202020100 |
4 | 123333321121301133 |
5 | 443032114313011 |
6 | 21451043152143 |
7 | 2112663431460 |
oct | 337771316137 |
9 | 85533822210 |
10 | 30063041631 |
11 | 11827892157 |
12 | 59b0075653 |
13 | 2ab146863c |
14 | 1652978d67 |
15 | bae42cd56 |
hex | 6ffe59c5f |
30063041631 has 48 divisors (see below), whose sum is σ = 52260998400. Its totient is φ = 16268148864.
The previous prime is 30063041627. The next prime is 30063041663. The reversal of 30063041631 is 13614036003.
It is not a de Polignac number, because 30063041631 - 22 = 30063041627 is a prime.
It is a super-2 number, since 2×300630416312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30063041595 and 30063041604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30063041231) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5095075 + ... + 5100971.
It is an arithmetic number, because the mean of its divisors is an integer number (1088770800).
Almost surely, 230063041631 is an apocalyptic number.
30063041631 is a deficient number, since it is larger than the sum of its proper divisors (22197956769).
30063041631 is a wasteful number, since it uses less digits than its factorization.
30063041631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10188 (or 10185 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 30063041631 its reverse (13614036003), we get a palindrome (43677077634).
The spelling of 30063041631 in words is "thirty billion, sixty-three million, forty-one thousand, six hundred thirty-one".
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