Base | Representation |
---|---|
bin | 1100010111011101010… |
… | …0110001100100010011 |
3 | 202022101101012010002021 |
4 | 3011313110301210103 |
5 | 11440102031111430 |
6 | 241333423032311 |
7 | 21230561345425 |
oct | 3056724614423 |
9 | 668341163067 |
10 | 212455332115 |
11 | 82113550604 |
12 | 35212a3b697 |
13 | 1705a8c9690 |
14 | a3d6388815 |
15 | 57d6b8807a |
hex | 3177531913 |
212455332115 has 64 divisors (see below), whose sum is σ = 299933020800. Its totient is φ = 143047102464.
The previous prime is 212455332101. The next prime is 212455332139. The reversal of 212455332115 is 511233554212.
212455332115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 212455332115 - 235 = 178095593747 is a prime.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 11343999 + ... + 11362711.
It is an arithmetic number, because the mean of its divisors is an integer number (4686453450).
Almost surely, 2212455332115 is an apocalyptic number.
212455332115 is a deficient number, since it is larger than the sum of its proper divisors (87477688685).
212455332115 is a wasteful number, since it uses less digits than its factorization.
212455332115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19096.
The product of its digits is 36000, while the sum is 34.
Adding to 212455332115 its reverse (511233554212), we get a palindrome (723688886327).
The spelling of 212455332115 in words is "two hundred twelve billion, four hundred fifty-five million, three hundred thirty-two thousand, one hundred fifteen".
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