Base | Representation |
---|---|
bin | 10010101000000110… |
… | …110011001111100110 |
3 | 1220121211221122211120 |
4 | 102220012303033212 |
5 | 311430024133410 |
6 | 13104334114410 |
7 | 1305424046430 |
oct | 225006631746 |
9 | 56554848746 |
10 | 20000224230 |
11 | 8533672538 |
12 | 3a6204ba06 |
13 | 1b69755a0c |
14 | d7a343650 |
15 | 7c0cb2570 |
hex | 4a81b33e6 |
20000224230 has 64 divisors (see below), whose sum is σ = 55030993920. Its totient is φ = 4557043584.
The previous prime is 20000224169. The next prime is 20000224247. The reversal of 20000224230 is 3242200002.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 83650 + ... + 216789.
It is an arithmetic number, because the mean of its divisors is an integer number (859859280).
Almost surely, 220000224230 is an apocalyptic number.
20000224230 is an abundant number, since it is smaller than the sum of its proper divisors (35030769690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20000224230 is a wasteful number, since it uses less digits than its factorization.
20000224230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 300773.
The product of its (nonzero) digits is 192, while the sum is 15.
Adding to 20000224230 its reverse (3242200002), we get a palindrome (23242424232).
The spelling of 20000224230 in words is "twenty billion, two hundred twenty-four thousand, two hundred thirty".
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