Base | Representation |
---|---|
bin | 11100001001111010… |
… | …100101100110110000 |
3 | 2220000212012020110002 |
4 | 130021322211212300 |
5 | 443403131440100 |
6 | 21515445525132 |
7 | 2120104213631 |
oct | 341172454660 |
9 | 86025166402 |
10 | 30231124400 |
11 | 11903755234 |
12 | 5a384137a8 |
13 | 2b0a2290b9 |
14 | 166b00d888 |
15 | bbe0802d5 |
hex | 709ea59b0 |
30231124400 has 30 divisors (see below), whose sum is σ = 72630277332. Its totient is φ = 12092449600.
The previous prime is 30231124349. The next prime is 30231124403. The reversal of 30231124400 is 442113203.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (30231124403) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 37788506 + ... + 37789305.
Almost surely, 230231124400 is an apocalyptic number.
It is an amenable number.
30231124400 is an abundant number, since it is smaller than the sum of its proper divisors (42399152932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231124400 is a wasteful number, since it uses less digits than its factorization.
30231124400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75577829 (or 75577818 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 30231124400 its reverse (442113203), we get a palindrome (30673237603).
The spelling of 30231124400 in words is "thirty billion, two hundred thirty-one million, one hundred twenty-four thousand, four hundred".
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