Base | Representation |
---|---|
bin | 11011111101010101… |
… | …010101101010101010 |
3 | 2212111010222200202021 |
4 | 123331111111222222 |
5 | 442440112030234 |
6 | 21442505255054 |
7 | 2111632033444 |
oct | 337525255252 |
9 | 85433880667 |
10 | 30020033194 |
11 | 11805587298 |
12 | 599979448a |
13 | 2aa558a668 |
14 | 164ad81494 |
15 | baa7849b4 |
hex | 6fd555aaa |
30020033194 has 4 divisors (see below), whose sum is σ = 45030049794. Its totient is φ = 15010016596.
The previous prime is 30020033191. The next prime is 30020033203. The reversal of 30020033194 is 49133002003.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49133002003 = 207511 ⋅236773.
It can be written as a sum of positive squares in only one way, i.e., 29820799969 + 199233225 = 172687^2 + 14115^2 .
It is not an unprimeable number, because it can be changed into a prime (30020033191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7505008297 + ... + 7505008300.
Almost surely, 230020033194 is an apocalyptic number.
30020033194 is a deficient number, since it is larger than the sum of its proper divisors (15010016600).
30020033194 is a wasteful number, since it uses less digits than its factorization.
30020033194 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15010016599.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 30020033194 its reverse (49133002003), we get a palindrome (79153035197).
The spelling of 30020033194 in words is "thirty billion, twenty million, thirty-three thousand, one hundred ninety-four".
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