Base | Representation |
---|---|
bin | 1100010101110111111… |
… | …1000110101101001100 |
3 | 202021021202021020110001 |
4 | 3011131333012231030 |
5 | 11433214214034012 |
6 | 241223315254044 |
7 | 21214210100002 |
oct | 3053577065514 |
9 | 667252236401 |
10 | 212030221132 |
11 | 81a15594414 |
12 | 351145aa324 |
13 | 16cc0805512 |
14 | a395b28a72 |
15 | 57ae6b4357 |
hex | 315dfc6b4c |
212030221132 has 24 divisors (see below), whose sum is σ = 371975385600. Its totient is φ = 105751650576.
The previous prime is 212030221127. The next prime is 212030221159. The reversal of 212030221132 is 231122030212.
It is a super-2 number, since 2×2120302211322 (a number of 23 digits) contains 22 as substring.
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, 9697869 + ... + 9719707.
It is an arithmetic number, because the mean of its divisors is an integer number (15498974400).
Almost surely, 2212030221132 is an apocalyptic number.
It is an amenable number.
212030221132 is a deficient number, since it is larger than the sum of its proper divisors (159945164468).
212030221132 is a wasteful number, since it uses less digits than its factorization.
212030221132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27765 (or 27763 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 212030221132 its reverse (231122030212), we get a palindrome (443152251344).
The spelling of 212030221132 in words is "two hundred twelve billion, thirty million, two hundred twenty-one thousand, one hundred thirty-two".
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