Base | Representation |
---|---|
bin | 1100010111011101000… |
… | …0011110011001110011 |
3 | 202022101022001212000212 |
4 | 3011313100132121303 |
5 | 11440101234030133 |
6 | 241333342534335 |
7 | 21230545642463 |
oct | 3056720363163 |
9 | 668338055025 |
10 | 212454205043 |
11 | 82112950843 |
12 | 352125973ab |
13 | 1705a5c3682 |
14 | a3d6173ba3 |
15 | 57d6a14148 |
hex | 317741e673 |
212454205043 has 8 divisors (see below), whose sum is σ = 232208012160. Its totient is φ = 193506675840.
The previous prime is 212454205031. The next prime is 212454205057. The reversal of 212454205043 is 340502454212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212454205043 - 230 = 211380463219 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212454205003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201568928 + ... + 201569981.
It is an arithmetic number, because the mean of its divisors is an integer number (29026001520).
Almost surely, 2212454205043 is an apocalyptic number.
212454205043 is a deficient number, since it is larger than the sum of its proper divisors (19753807117).
212454205043 is a wasteful number, since it uses less digits than its factorization.
212454205043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 403138957.
The product of its (nonzero) digits is 38400, while the sum is 32.
Adding to 212454205043 its reverse (340502454212), we get a palindrome (552956659255).
The spelling of 212454205043 in words is "two hundred twelve billion, four hundred fifty-four million, two hundred five thousand, forty-three".
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