Base | Representation |
---|---|
bin | 1110100101011… |
… | …00001101101101 |
3 | 22112012112012201 |
4 | 13102230031231 |
5 | 222304341310 |
6 | 20050101501 |
7 | 3013605661 |
oct | 722541555 |
9 | 275175181 |
10 | 122340205 |
11 | 63070009 |
12 | 34b7a891 |
13 | 1c466170 |
14 | 123688a1 |
15 | ab18e3a |
hex | 74ac36d |
122340205 has 16 divisors (see below), whose sum is σ = 158583600. Its totient is φ = 90067968.
The previous prime is 122340199. The next prime is 122340223. The reversal of 122340205 is 502043221.
It can be written as a sum of positive squares in 8 ways, for example, as 2350089 + 119990116 = 1533^2 + 10954^2 .
It is a cyclic number.
It is not a de Polignac number, because 122340205 - 211 = 122338157 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19989 + ... + 25381.
It is an arithmetic number, because the mean of its divisors is an integer number (9911475).
Almost surely, 2122340205 is an apocalyptic number.
It is an amenable number.
122340205 is a deficient number, since it is larger than the sum of its proper divisors (36243395).
122340205 is a wasteful number, since it uses less digits than its factorization.
122340205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5760.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 122340205 is about 11060.7506526456. The cubic root of 122340205 is about 496.4281512193.
Adding to 122340205 its reverse (502043221), we get a palindrome (624383426).
The spelling of 122340205 in words is "one hundred twenty-two million, three hundred forty thousand, two hundred five".
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