Base | Representation |
---|---|
bin | 11100001001110111… |
… | …011101001000001000 |
3 | 2220000210122112000202 |
4 | 130021313131020020 |
5 | 443402424200430 |
6 | 21515420151332 |
7 | 2120064223604 |
oct | 341167351010 |
9 | 86023575022 |
10 | 30230303240 |
11 | 11903244295 |
12 | 5a38098548 |
13 | 2b09ccc3c7 |
14 | 166ac78504 |
15 | bbde6bd45 |
hex | 709ddd208 |
30230303240 has 32 divisors (see below), whose sum is σ = 69301549080. Its totient is φ = 11863967232.
The previous prime is 30230303189. The next prime is 30230303269. The reversal of 30230303240 is 4230303203.
It can be written as a sum of positive squares in 4 ways, for example, as 28568436484 + 1661866756 = 169022^2 + 40766^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7127669 + ... + 7131908.
Almost surely, 230230303240 is an apocalyptic number.
It is an amenable number.
30230303240 is an abundant number, since it is smaller than the sum of its proper divisors (39071245840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30230303240 is a wasteful number, since it uses less digits than its factorization.
30230303240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14259641 (or 14259637 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 20.
Adding to 30230303240 its reverse (4230303203), we get a palindrome (34460606443).
The spelling of 30230303240 in words is "thirty billion, two hundred thirty million, three hundred three thousand, two hundred forty".
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