Base | Representation |
---|---|
bin | 1100010110101010100… |
… | …1011100100010100011 |
3 | 202021211112222121020022 |
4 | 3011222221130202203 |
5 | 11434133104202303 |
6 | 241300344304055 |
7 | 21222366506666 |
oct | 3055251344243 |
9 | 667745877208 |
10 | 212242647203 |
11 | 82014494254 |
12 | 3517377202b |
13 | 17025820712 |
14 | a3b60236dd |
15 | 57c3175438 |
hex | 316aa5c8a3 |
212242647203 has 8 divisors (see below), whose sum is σ = 213550108128. Its totient is φ = 210936113344.
The previous prime is 212242647191. The next prime is 212242647233. The reversal of 212242647203 is 302746242212.
It is a Cunningham number, because it is equal to 4606982-1.
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 212242647203 - 26 = 212242647139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212242647233) 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, 230351 + ... + 691047.
It is an arithmetic number, because the mean of its divisors is an integer number (26693763516).
Almost surely, 2212242647203 is an apocalyptic number.
212242647203 is a deficient number, since it is larger than the sum of its proper divisors (1307460925).
212242647203 is a wasteful number, since it uses less digits than its factorization.
212242647203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 463533.
The product of its (nonzero) digits is 64512, while the sum is 35.
Adding to 212242647203 its reverse (302746242212), we get a palindrome (514988889415).
The spelling of 212242647203 in words is "two hundred twelve billion, two hundred forty-two million, six hundred forty-seven thousand, two hundred three".
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