Base | Representation |
---|---|
bin | 1100010101110101100… |
… | …0111111011110000100 |
3 | 202021021001110122012212 |
4 | 3011131120333132010 |
5 | 11433204134330040 |
6 | 241222321202552 |
7 | 21214026135254 |
oct | 3053530773604 |
9 | 667231418185 |
10 | 212020230020 |
11 | 81a0a98a9a5 |
12 | 35111190458 |
13 | 16cbb717a11 |
14 | a394687964 |
15 | 57ad88dd65 |
hex | 315d63f784 |
212020230020 has 24 divisors (see below), whose sum is σ = 450878467200. Its totient is φ = 83734571232.
The previous prime is 212020230017. The next prime is 212020230073. The reversal of 212020230020 is 20032020212.
It is a junction number, because it is equal to n+sod(n) for n = 212020229977 and 212020230004.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67093430 + ... + 67096589.
It is an arithmetic number, because the mean of its divisors is an integer number (18786602800).
Almost surely, 2212020230020 is an apocalyptic number.
212020230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212020230020 is an abundant number, since it is smaller than the sum of its proper divisors (238858237180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212020230020 is a wasteful number, since it uses less digits than its factorization.
212020230020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134190107 (or 134190105 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 212020230020 its reverse (20032020212), we get a palindrome (232052250232).
The spelling of 212020230020 in words is "two hundred twelve billion, twenty million, two hundred thirty thousand, twenty".
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