Base | Representation |
---|---|
bin | 1110100100011… |
… | …10111010101001 |
3 | 22111222102121010 |
4 | 13102032322221 |
5 | 222242021301 |
6 | 20043334133 |
7 | 3012566055 |
oct | 722167251 |
9 | 274872533 |
10 | 122220201 |
11 | 62a98934 |
12 | 34b21349 |
13 | 1c42365c |
14 | 12336c65 |
15 | aae35d6 |
hex | 748eea9 |
122220201 has 16 divisors (see below), whose sum is σ = 165230208. Its totient is φ = 80352000.
The previous prime is 122220199. The next prime is 122220209. The reversal of 122220201 is 102022221.
It is not a de Polignac number, because 122220201 - 21 = 122220199 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (122220209) 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, 93585 + ... + 94881.
It is an arithmetic number, because the mean of its divisors is an integer number (10326888).
Almost surely, 2122220201 is an apocalyptic number.
It is an amenable number.
122220201 is a deficient number, since it is larger than the sum of its proper divisors (43010007).
122220201 is a wasteful number, since it uses less digits than its factorization.
122220201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1712.
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 122220201 is about 11055.3245542589. The cubic root of 122220201 is about 496.2657819936.
Adding to 122220201 its reverse (102022221), we get a palindrome (224242422).
The spelling of 122220201 in words is "one hundred twenty-two million, two hundred twenty thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •