Base | Representation |
---|---|
bin | 10011000001101111… |
… | …000111101010100010 |
3 | 1221201211001220200020 |
4 | 103001233013222202 |
5 | 313320114132114 |
6 | 13215134334310 |
7 | 1322165016243 |
oct | 230157075242 |
9 | 57654056606 |
10 | 20430224034 |
11 | 8734368780 |
12 | 3b6205a396 |
13 | 1c0786c17c |
14 | dbb4b6cca |
15 | 7e88eeaa9 |
hex | 4c1bc7aa2 |
20430224034 has 16 divisors (see below), whose sum is σ = 44575034400. Its totient is φ = 6190976960.
The previous prime is 20430224033. The next prime is 20430224041. The reversal of 20430224034 is 43042203402.
It is a junction number, because it is equal to n+sod(n) for n = 20430223995 and 20430224013.
It is not an unprimeable number, because it can be changed into a prime (20430224033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154774359 + ... + 154774490.
It is an arithmetic number, because the mean of its divisors is an integer number (2785939650).
Almost surely, 220430224034 is an apocalyptic number.
20430224034 is an abundant number, since it is smaller than the sum of its proper divisors (24144810366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20430224034 is a wasteful number, since it uses less digits than its factorization.
20430224034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309548865.
The product of its (nonzero) digits is 4608, while the sum is 24.
Adding to 20430224034 its reverse (43042203402), we get a palindrome (63472427436).
The spelling of 20430224034 in words is "twenty billion, four hundred thirty million, two hundred twenty-four thousand, thirty-four".
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