Base | Representation |
---|---|
bin | 1100010110100000111… |
… | …1001111000110111011 |
3 | 202021201201220210021222 |
4 | 3011220033033012323 |
5 | 11434042232101021 |
6 | 241252342022255 |
7 | 21221366061203 |
oct | 3055017170673 |
9 | 667651823258 |
10 | 212202222011 |
11 | 81aa36931aa |
12 | 3516211798b |
13 | 1701a3384a0 |
14 | a3b08dd403 |
15 | 57be83c6ab |
hex | 31683cf1bb |
212202222011 has 16 divisors (see below), whose sum is σ = 232308568800. Its totient is φ = 192637336320.
The previous prime is 212202221989. The next prime is 212202222013. The reversal of 212202222011 is 110222202212.
It is a happy number.
It is not a de Polignac number, because 212202222011 - 222 = 212198027707 is a prime.
It is a super-3 number, since 3×2122022220113 (a number of 35 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212202222013) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6107015 + ... + 6141663.
It is an arithmetic number, because the mean of its divisors is an integer number (14519285550).
Almost surely, 2212202222011 is an apocalyptic number.
212202222011 is a deficient number, since it is larger than the sum of its proper divisors (20106346789).
212202222011 is a wasteful number, since it uses less digits than its factorization.
212202222011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42446.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 212202222011 its reverse (110222202212), we get a palindrome (322424424223).
The spelling of 212202222011 in words is "two hundred twelve billion, two hundred two million, two hundred twenty-two thousand, eleven".
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