Base | Representation |
---|---|
bin | 11100001001111110… |
… | …101101000000111000 |
3 | 2220000221020001110002 |
4 | 130021332231000320 |
5 | 443403421001240 |
6 | 21515525012132 |
7 | 2120116326314 |
oct | 341176550070 |
9 | 86027201402 |
10 | 30232203320 |
11 | 11904321900 |
12 | 5a38854048 |
13 | 2b0a516207 |
14 | 166b210b44 |
15 | bbe1e4d15 |
hex | 709fad038 |
30232203320 has 96 divisors (see below), whose sum is σ = 75229151760. Its totient is φ = 10925798400.
The previous prime is 30232203319. The next prime is 30232203341. The reversal of 30232203320 is 2330223203.
It is a super-2 number, since 2×302322033202 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 30232203292 and 30232203301.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 769760 + ... + 808080.
Almost surely, 230232203320 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 30232203320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37614575880).
30232203320 is an abundant number, since it is smaller than the sum of its proper divisors (44996948440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30232203320 is a wasteful number, since it uses less digits than its factorization.
30232203320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38517 (or 38502 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 20.
Adding to 30232203320 its reverse (2330223203), we get a palindrome (32562426523).
The spelling of 30232203320 in words is "thirty billion, two hundred thirty-two million, two hundred three thousand, three hundred twenty".
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