Base | Representation |
---|---|
bin | 10010111010000110… |
… | …010111011100000110 |
3 | 1221101212222112212011 |
4 | 102322012113130012 |
5 | 313034314201410 |
6 | 13154320244434 |
7 | 1316051001406 |
oct | 227206273406 |
9 | 57355875764 |
10 | 20302100230 |
11 | 8679008435 |
12 | 3b2717071a |
13 | 1bb715c679 |
14 | da8484806 |
15 | 7dc54218a |
hex | 4ba197706 |
20302100230 has 32 divisors (see below), whose sum is σ = 40375744704. Its totient is φ = 7310831616.
The previous prime is 20302100173. The next prime is 20302100233. The reversal of 20302100230 is 3200120302.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 20302100230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302100233) 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 15 ways as a sum of consecutive naturals, for example, 2592267 + ... + 2600086.
It is an arithmetic number, because the mean of its divisors is an integer number (1261742022).
Almost surely, 220302100230 is an apocalyptic number.
20302100230 is a deficient number, since it is larger than the sum of its proper divisors (20073644474).
20302100230 is a wasteful number, since it uses less digits than its factorization.
20302100230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5192400.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 20302100230 its reverse (3200120302), we get a palindrome (23502220532).
The spelling of 20302100230 in words is "twenty billion, three hundred two million, one hundred thousand, two hundred thirty".
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