Base | Representation |
---|---|
bin | 11100001000110011… |
… | …010100000010110100 |
3 | 2212222120000222121022 |
4 | 130020303110002310 |
5 | 443333341041434 |
6 | 21513541240312 |
7 | 2116456335110 |
oct | 341063240264 |
9 | 85876028538 |
10 | 30212440244 |
11 | 118a4153588 |
12 | 5a32103098 |
13 | 2b063b689c |
14 | 1668748740 |
15 | bbc5de22e |
hex | 708cd40b4 |
30212440244 has 12 divisors (see below), whose sum is σ = 60424880544. Its totient is φ = 12948188664.
The previous prime is 30212440241. The next prime is 30212440253. The reversal of 30212440244 is 44204421203.
It is a happy number.
30212440244 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30212440241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539507834 + ... + 539507889.
It is an arithmetic number, because the mean of its divisors is an integer number (5035406712).
Almost surely, 230212440244 is an apocalyptic number.
It is an amenable number.
30212440244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212440244 is a wasteful number, since it uses less digits than its factorization.
30212440244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1079015734 (or 1079015732 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 26.
Adding to 30212440244 its reverse (44204421203), we get a palindrome (74416861447).
The spelling of 30212440244 in words is "thirty billion, two hundred twelve million, four hundred forty thousand, two hundred forty-four".
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