Base | Representation |
---|---|
bin | 11100000011010010… |
… | …110001100101101000 |
3 | 2212202010010202221011 |
4 | 130003102301211220 |
5 | 443141211240144 |
6 | 21500440353304 |
7 | 2114254661200 |
oct | 340322614550 |
9 | 85663122834 |
10 | 30120024424 |
11 | 11856a72176 |
12 | 5a07175834 |
13 | 2ac01ca179 |
14 | 165a36d400 |
15 | bb4436a34 |
hex | 7034b1968 |
30120024424 has 48 divisors (see below), whose sum is σ = 65710457280. Its totient is φ = 12905635680.
The previous prime is 30120024413. The next prime is 30120024427. The reversal of 30120024424 is 42442002103.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30120024395 and 30120024404.
It is not an unprimeable number, because it can be changed into a prime (30120024427) 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, 3338079 + ... + 3347089.
It is an arithmetic number, because the mean of its divisors is an integer number (1368967860).
Almost surely, 230120024424 is an apocalyptic number.
It is an amenable number.
30120024424 is an abundant number, since it is smaller than the sum of its proper divisors (35590432856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30120024424 is a wasteful number, since it uses less digits than its factorization.
30120024424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17558 (or 17547 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
Adding to 30120024424 its reverse (42442002103), we get a palindrome (72562026527).
The spelling of 30120024424 in words is "thirty billion, one hundred twenty million, twenty-four thousand, four hundred twenty-four".
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