Base | Representation |
---|---|
bin | 111111001011110… |
… | …0010110101100110 |
3 | 12110202100022010111 |
4 | 1332113202311212 |
5 | 13320221214342 |
6 | 550213043234 |
7 | 103352364061 |
oct | 17627426546 |
9 | 5422308114 |
10 | 2120101222 |
11 | 998818478 |
12 | 4b202651a |
13 | 27a308385 |
14 | 1617dd8d8 |
15 | c61d8217 |
hex | 7e5e2d66 |
2120101222 has 16 divisors (see below), whose sum is σ = 3425467392. Its totient is φ = 981252360.
The previous prime is 2120101211. The next prime is 2120101223. The reversal of 2120101222 is 2221010212.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120101223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741948 + ... + 744799.
It is an arithmetic number, because the mean of its divisors is an integer number (214091712).
Almost surely, 22120101222 is an apocalyptic number.
2120101222 is a deficient number, since it is larger than the sum of its proper divisors (1305366170).
2120101222 is a wasteful number, since it uses less digits than its factorization.
2120101222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1486803.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2120101222 is about 46044.5569204439. The cubic root of 2120101222 is about 1284.6521028251.
Adding to 2120101222 its reverse (2221010212), we get a palindrome (4341111434).
The spelling of 2120101222 in words is "two billion, one hundred twenty million, one hundred one thousand, two hundred twenty-two".
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