Base | Representation |
---|---|
bin | 111111001011110… |
… | …0011000101001110 |
3 | 12110202100100111112 |
4 | 1332113203011032 |
5 | 13320221232342 |
6 | 550213052022 |
7 | 103352400020 |
oct | 17627430516 |
9 | 5422310445 |
10 | 2120102222 |
11 | 9988191a7 |
12 | 4b2027012 |
13 | 27a308974 |
14 | 161800010 |
15 | c61d8682 |
hex | 7e5e314e |
2120102222 has 8 divisors (see below), whose sum is σ = 3634460976. Its totient is φ = 908615232.
The previous prime is 2120102221. The next prime is 2120102261. The reversal of 2120102222 is 2222010212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 151435873 = 2120102222 / (2 + 1 + 2 + 0 + 1 + 0 + 2 + 2 + 2 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 2120102197 and 2120102206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120102221) 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, 75717923 + ... + 75717950.
It is an arithmetic number, because the mean of its divisors is an integer number (454307622).
Almost surely, 22120102222 is an apocalyptic number.
2120102222 is a deficient number, since it is larger than the sum of its proper divisors (1514358754).
2120102222 is a wasteful number, since it uses less digits than its factorization.
2120102222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151435882.
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 2120102222 is about 46044.5677794895. The cubic root of 2120102222 is about 1284.6523048047.
Adding to 2120102222 its reverse (2222010212), we get a palindrome (4342112434).
The spelling of 2120102222 in words is "two billion, one hundred twenty million, one hundred two thousand, two hundred twenty-two".
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