Base | Representation |
---|---|
bin | 1100010110100000101… |
… | …1110000111111100110 |
3 | 202021201200012120022101 |
4 | 3011220023300333212 |
5 | 11434042013442410 |
6 | 241252310322314 |
7 | 21221355251605 |
oct | 3055013607746 |
9 | 667650176271 |
10 | 212201312230 |
11 | 81aa3121716 |
12 | 3516195939a |
13 | 1701a0aa35b |
14 | a3b0743a3c |
15 | 57be70cd3a |
hex | 31682f0fe6 |
212201312230 has 16 divisors (see below), whose sum is σ = 398569421664. Its totient is φ = 81190067200.
The previous prime is 212201312221. The next prime is 212201312233. The reversal of 212201312230 is 32213102212.
It is a junction number, because it is equal to n+sod(n) for n = 212201312198 and 212201312207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212201312233) 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, 461306971 + ... + 461307430.
It is an arithmetic number, because the mean of its divisors is an integer number (24910588854).
Almost surely, 2212201312230 is an apocalyptic number.
212201312230 is a deficient number, since it is larger than the sum of its proper divisors (186368109434).
212201312230 is a wasteful number, since it uses less digits than its factorization.
212201312230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 922614431.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 212201312230 its reverse (32213102212), we get a palindrome (244414414442).
The spelling of 212201312230 in words is "two hundred twelve billion, two hundred one million, three hundred twelve thousand, two hundred thirty".
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