Base | Representation |
---|---|
bin | 1100010110100000011… |
… | …1100110101000010001 |
3 | 202021201121011010200220 |
4 | 3011220013212220101 |
5 | 11434041224034301 |
6 | 241252231103253 |
7 | 21221343056013 |
oct | 3055007465021 |
9 | 667647133626 |
10 | 212200221201 |
11 | 81aa2546a41 |
12 | 35161511b29 |
13 | 17019ab7887 |
14 | a3b053c1b3 |
15 | 57be594936 |
hex | 31681e6a11 |
212200221201 has 16 divisors (see below), whose sum is σ = 300082014144. Its totient is φ = 132920689664.
The previous prime is 212200221199. The next prime is 212200221217. The reversal of 212200221201 is 102122002212.
It is a cyclic number.
It is not a de Polignac number, because 212200221201 - 21 = 212200221199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212200221901) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3478011 + ... + 3538496.
It is an arithmetic number, because the mean of its divisors is an integer number (18755125884).
Almost surely, 2212200221201 is an apocalyptic number.
It is an amenable number.
212200221201 is a deficient number, since it is larger than the sum of its proper divisors (87881792943).
212200221201 is a wasteful number, since it uses less digits than its factorization.
212200221201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7017120.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 212200221201 its reverse (102122002212), we get a palindrome (314322223413).
The spelling of 212200221201 in words is "two hundred twelve billion, two hundred million, two hundred twenty-one thousand, two hundred one".
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