Base | Representation |
---|---|
bin | 11100010000100101… |
… | …100001100010101000 |
3 | 2220022122210022020022 |
4 | 130100211201202220 |
5 | 444120304340430 |
6 | 21534524420012 |
7 | 2122633416626 |
oct | 342045414250 |
9 | 86278708208 |
10 | 30343043240 |
11 | 11960947544 |
12 | 5a699a7608 |
13 | 2b27483973 |
14 | 167bc24516 |
15 | bc8cdb4e5 |
hex | 7109618a8 |
30343043240 has 16 divisors (see below), whose sum is σ = 68271847380. Its totient is φ = 12137217280.
The previous prime is 30343043231. The next prime is 30343043261. The reversal of 30343043240 is 4234034303.
It can be written as a sum of positive squares in 2 ways, for example, as 29579184196 + 763859044 = 171986^2 + 27638^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379288001 + ... + 379288080.
Almost surely, 230343043240 is an apocalyptic number.
It is an amenable number.
30343043240 is an abundant number, since it is smaller than the sum of its proper divisors (37928804140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30343043240 is a wasteful number, since it uses less digits than its factorization.
30343043240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 758576092 (or 758576088 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 26.
Adding to 30343043240 its reverse (4234034303), we get a palindrome (34577077543).
The spelling of 30343043240 in words is "thirty billion, three hundred forty-three million, forty-three thousand, two hundred forty".
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