Base | Representation |
---|---|
bin | 11001010011110… |
… | …10010001110001 |
3 | 112210111121221220 |
4 | 30221322101301 |
5 | 413323010301 |
6 | 33022335253 |
7 | 5155426632 |
oct | 1451722161 |
9 | 483447856 |
10 | 212313201 |
11 | a9933061 |
12 | 5b12a529 |
13 | 34ca8a19 |
14 | 202a9889 |
15 | 1398c936 |
hex | ca7a471 |
212313201 has 16 divisors (see below), whose sum is σ = 298506240. Its totient is φ = 133857360.
The previous prime is 212313197. The next prime is 212313251. The reversal of 212313201 is 102313212.
212313201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 212313201 - 22 = 212313197 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212313251) 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, 33016 + ... + 38918.
It is an arithmetic number, because the mean of its divisors is an integer number (18656640).
Almost surely, 2212313201 is an apocalyptic number.
It is an amenable number.
212313201 is a deficient number, since it is larger than the sum of its proper divisors (86193039).
212313201 is a wasteful number, since it uses less digits than its factorization.
212313201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6556.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 212313201 is about 14570.9711755943. The cubic root of 212313201 is about 596.5666886503.
Adding to 212313201 its reverse (102313212), we get a palindrome (314626413).
It can be divided in two parts, 2 and 12313201, that added together give a triangular number (12313203 = T4962).
The spelling of 212313201 in words is "two hundred twelve million, three hundred thirteen thousand, two hundred one".
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