Base | Representation |
---|---|
bin | 1100010110100101001… |
… | …1000110011010101001 |
3 | 202021202222101121211220 |
4 | 3011221103012122221 |
5 | 11434111310342301 |
6 | 241254215212253 |
7 | 21222003224511 |
oct | 3055123063251 |
9 | 667688347756 |
10 | 212220012201 |
11 | 8200273423a |
12 | 35168077089 |
13 | 17020c26b22 |
14 | a3b3010841 |
15 | 57c11a3936 |
hex | 31694c66a9 |
212220012201 has 8 divisors (see below), whose sum is σ = 285555980160. Its totient is φ = 140182026192.
The previous prime is 212220012157. The next prime is 212220012209. The reversal of 212220012201 is 102210022212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212220012201 - 210 = 212220011177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212220012209) 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, 324495105 + ... + 324495758.
It is an arithmetic number, because the mean of its divisors is an integer number (35694497520).
Almost surely, 2212220012201 is an apocalyptic number.
It is an amenable number.
212220012201 is a deficient number, since it is larger than the sum of its proper divisors (73335967959).
212220012201 is a wasteful number, since it uses less digits than its factorization.
212220012201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 648990975.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 212220012201 its reverse (102210022212), we get a palindrome (314430034413).
The spelling of 212220012201 in words is "two hundred twelve billion, two hundred twenty million, twelve thousand, two hundred one".
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