Base | Representation |
---|---|
bin | 1110100100011… |
… | …01101011011100 |
3 | 22111222011122101 |
4 | 13102031223130 |
5 | 222241341012 |
6 | 20043254444 |
7 | 3012545224 |
oct | 722155334 |
9 | 274864571 |
10 | 122215132 |
11 | 62a95046 |
12 | 34b1a424 |
13 | 1c421260 |
14 | 12335084 |
15 | aae1d57 |
hex | 748dadc |
122215132 has 12 divisors (see below), whose sum is σ = 230328616. Its totient is φ = 56406960.
The previous prime is 122215129. The next prime is 122215139. The reversal of 122215132 is 231512221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122215139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175094 + ... + 1175197.
Almost surely, 2122215132 is an apocalyptic number.
It is an amenable number.
122215132 is a deficient number, since it is larger than the sum of its proper divisors (108113484).
122215132 is a wasteful number, since it uses less digits than its factorization.
122215132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2350308 (or 2350306 counting only the distinct ones).
The product of its digits is 240, while the sum is 19.
The square root of 122215132 is about 11055.0952958353. The cubic root of 122215132 is about 496.2589211364.
Adding to 122215132 its reverse (231512221), we get a palindrome (353727353).
The spelling of 122215132 in words is "one hundred twenty-two million, two hundred fifteen thousand, one hundred thirty-two".
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