Base | Representation |
---|---|
bin | 1100010110001001000… |
… | …1110011001111100011 |
3 | 202021110202202201102121 |
4 | 3011202101303033203 |
5 | 11433341132343021 |
6 | 241234410525111 |
7 | 21216043134226 |
oct | 3054221631743 |
9 | 667422681377 |
10 | 212102231011 |
11 | 81a521a8510 |
12 | 35134736797 |
13 | 170026c8b08 |
14 | a3a15115bd |
15 | 57b5b8a741 |
hex | 31624733e3 |
212102231011 has 8 divisors (see below), whose sum is σ = 235749993264. Its totient is φ = 189182092320.
The previous prime is 212102230999. The next prime is 212102231017. The reversal of 212102231011 is 110132201212.
212102231011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212102231011 - 29 = 212102230499 is a prime.
It is a super-2 number, since 2×2121022310112 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212102231017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181905276 + ... + 181906441.
It is an arithmetic number, because the mean of its divisors is an integer number (29468749158).
Almost surely, 2212102231011 is an apocalyptic number.
212102231011 is a deficient number, since it is larger than the sum of its proper divisors (23647762253).
212102231011 is a wasteful number, since it uses less digits than its factorization.
212102231011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 363811781.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 212102231011 its reverse (110132201212), we get a palindrome (322234432223).
The spelling of 212102231011 in words is "two hundred twelve billion, one hundred two million, two hundred thirty-one thousand, eleven".
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