Base | Representation |
---|---|
bin | 1100010110100011010… |
… | …0111011001101111011 |
3 | 202021202102111202002220 |
4 | 3011220310323031323 |
5 | 11434102244231021 |
6 | 241253333455123 |
7 | 21221546050650 |
oct | 3055064731573 |
9 | 667672452086 |
10 | 212212102011 |
11 | 81aa9221198 |
12 | 351654a14a3 |
13 | 1701c3b7540 |
14 | a3b1d51c27 |
15 | 57c063ecc6 |
hex | 3168d3b37b |
212212102011 has 32 divisors (see below), whose sum is σ = 351500179968. Its totient is φ = 110889907200.
The previous prime is 212212102001. The next prime is 212212102031. The reversal of 212212102011 is 110201212212.
It is not a de Polignac number, because 212212102011 - 26 = 212212101947 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212212102001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3603190 + ... + 3661611.
It is an arithmetic number, because the mean of its divisors is an integer number (10984380624).
Almost surely, 2212212102011 is an apocalyptic number.
212212102011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
212212102011 is a deficient number, since it is larger than the sum of its proper divisors (139288077957).
212212102011 is a wasteful number, since it uses less digits than its factorization.
212212102011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7264931.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 212212102011 its reverse (110201212212), we get a palindrome (322413314223).
The spelling of 212212102011 in words is "two hundred twelve billion, two hundred twelve million, one hundred two thousand, eleven".
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