Base | Representation |
---|---|
bin | 1011001011010000… |
… | …1101101010011100 |
3 | 21202002002102002121 |
4 | 2302310031222130 |
5 | 22121002010100 |
6 | 1213405032324 |
7 | 134225564455 |
oct | 26264155234 |
9 | 7662072077 |
10 | 3000031900 |
11 | 12aa492408 |
12 | 6b88556a4 |
13 | 38a6c5c08 |
14 | 20661412c |
15 | 12859d51a |
hex | b2d0da9c |
3000031900 has 18 divisors (see below), whose sum is σ = 6510069440. Its totient is φ = 1200012720.
The previous prime is 3000031897. The next prime is 3000031901. The reversal of 3000031900 is 91300003.
It is a happy number.
3000031900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×30000319002 = 18000382802035220000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3000031901) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15000060 + ... + 15000259.
Almost surely, 23000031900 is an apocalyptic number.
It is an amenable number.
3000031900 is an abundant number, since it is smaller than the sum of its proper divisors (3510037540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3000031900 is a wasteful number, since it uses less digits than its factorization.
3000031900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30000333 (or 30000326 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 16.
The square root of 3000031900 is about 54772.5469555689. The cubic root of 3000031900 is about 1442.2546822628.
Adding to 3000031900 its reverse (91300003), we get a palindrome (3091331903).
The spelling of 3000031900 in words is "three billion, thirty-one thousand, nine hundred".
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