Base | Representation |
---|---|
bin | 11100001110001001… |
… | …110011000000100000 |
3 | 2220012210222021201022 |
4 | 130032021303000200 |
5 | 444024332022240 |
6 | 21530505425012 |
7 | 2121626423441 |
oct | 341611630040 |
9 | 86183867638 |
10 | 30302220320 |
11 | 1193a8a4699 |
12 | 5a5819b168 |
13 | 2b1bb8c6a8 |
14 | 16766392c8 |
15 | bc54259b5 |
hex | 70e273020 |
30302220320 has 144 divisors (see below), whose sum is σ = 75452912640. Its totient is φ = 11498522112.
The previous prime is 30302220317. The next prime is 30302220331. The reversal of 30302220320 is 2302220303.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10747871 + ... + 10750689.
It is an arithmetic number, because the mean of its divisors is an integer number (523978560).
Almost surely, 230302220320 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30302220320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37726456320).
30302220320 is an abundant number, since it is smaller than the sum of its proper divisors (45150692320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30302220320 is a wasteful number, since it uses less digits than its factorization.
30302220320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3007 (or 2976 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 17.
Subtracting from 30302220320 its sum of digits (17), we obtain a palindrome (30302220303).
Adding to 30302220320 its reverse (2302220303), we get a palindrome (32604440623).
The spelling of 30302220320 in words is "thirty billion, three hundred two million, two hundred twenty thousand, three hundred twenty".
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