Base | Representation |
---|---|
bin | 11100001110101011… |
… | …101011101101100010 |
3 | 2220020102200120220200 |
4 | 130032223223231202 |
5 | 444034120301310 |
6 | 21531424050030 |
7 | 2122065061434 |
oct | 341653535542 |
9 | 86212616820 |
10 | 30311103330 |
11 | 11944911622 |
12 | 5a5b163916 |
13 | 2b2097ca01 |
14 | 16778ac654 |
15 | bc60cc9c0 |
hex | 70eaebb62 |
30311103330 has 48 divisors (see below), whose sum is σ = 80295841080. Its totient is φ = 7930450944.
The previous prime is 30311103301. The next prime is 30311103341. The reversal of 30311103330 is 3330111303.
It can be written as a sum of positive squares in 4 ways, for example, as 29221509249 + 1089594081 = 170943^2 + 33009^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 3172495 + ... + 3182034.
Almost surely, 230311103330 is an apocalyptic number.
30311103330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30311103330 is an abundant number, since it is smaller than the sum of its proper divisors (49984737750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30311103330 is a wasteful number, since it uses less digits than its factorization.
30311103330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6354595 (or 6354592 counting only the distinct ones).
The product of its (nonzero) digits is 243, while the sum is 18.
Adding to 30311103330 its reverse (3330111303), we get a palindrome (33641214633).
The spelling of 30311103330 in words is "thirty billion, three hundred eleven million, one hundred three thousand, three hundred thirty".
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