Base | Representation |
---|---|
bin | 11100001111111101… |
… | …000000011111101000 |
3 | 2220021220210200210111 |
4 | 130033331000133220 |
5 | 444110100001440 |
6 | 21533505024104 |
7 | 2122444222360 |
oct | 341775003750 |
9 | 86256720714 |
10 | 30332422120 |
11 | 11955952760 |
12 | 5a66325034 |
13 | 2b25205490 |
14 | 167a65b9a0 |
15 | bc7dde4ea |
hex | 70ff407e8 |
30332422120 has 128 divisors (see below), whose sum is σ = 91633731840. Its totient is φ = 8726999040.
The previous prime is 30332422079. The next prime is 30332422121. The reversal of 30332422120 is 2122423303.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 30332422091 and 30332422100.
It is not an unprimeable number, because it can be changed into a prime (30332422121) 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 31 ways as a sum of consecutive naturals, for example, 338737 + ... + 418816.
It is an arithmetic number, because the mean of its divisors is an integer number (715888530).
Almost surely, 230332422120 is an apocalyptic number.
It is an amenable number.
30332422120 is an abundant number, since it is smaller than the sum of its proper divisors (61301309720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30332422120 is a wasteful number, since it uses less digits than its factorization.
30332422120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 757595 (or 757591 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30332422120 its reverse (2122423303), we get a palindrome (32454845423).
It can be divided in two parts, 303 and 32422120, that added together give a palindrome (32422423).
The spelling of 30332422120 in words is "thirty billion, three hundred thirty-two million, four hundred twenty-two thousand, one hundred twenty".
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