Base | Representation |
---|---|
bin | 11011111100001010… |
… | …100010010111110000 |
3 | 2212102210002110120211 |
4 | 123330022202113300 |
5 | 442420102040212 |
6 | 21440525113504 |
7 | 2111303254156 |
oct | 337412422760 |
9 | 85383073524 |
10 | 30000424432 |
11 | 117a5503a00 |
12 | 59930b8894 |
13 | 2aa14b3344 |
14 | 16485193d6 |
15 | ba8bae9a7 |
hex | 6fc2a25f0 |
30000424432 has 120 divisors (see below), whose sum is σ = 65937654720. Its totient is φ = 13206336000.
The previous prime is 30000424403. The next prime is 30000424481. The reversal of 30000424432 is 23442400003.
It is a super-2 number, since 2×300004244322 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8104182 + ... + 8107882.
It is an arithmetic number, because the mean of its divisors is an integer number (549480456).
Almost surely, 230000424432 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 30000424432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32968827360).
30000424432 is an abundant number, since it is smaller than the sum of its proper divisors (35937230288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30000424432 is a wasteful number, since it uses less digits than its factorization.
30000424432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3863 (or 3846 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 22.
Adding to 30000424432 its reverse (23442400003), we get a palindrome (53442824435).
The spelling of 30000424432 in words is "thirty billion, four hundred twenty-four thousand, four hundred thirty-two".
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