Base | Representation |
---|---|
bin | 111000010110101111… |
… | …1000100000101011010 |
3 | 102120101020121212022021 |
4 | 1300231133010011122 |
5 | 3440323140432302 |
6 | 131332525445054 |
7 | 11513020513516 |
oct | 1605537040532 |
9 | 376336555267 |
10 | 121022202202 |
11 | 47363972830 |
12 | 1b55611078a |
13 | b548bc9145 |
14 | 5c00dd3146 |
15 | 3234ac0437 |
hex | 1c2d7c415a |
121022202202 has 16 divisors (see below), whose sum is σ = 199595676672. Its totient is φ = 54576940320.
The previous prime is 121022202187. The next prime is 121022202209. The reversal of 121022202202 is 202202220121.
It is not an unprimeable number, because it can be changed into a prime (121022202209) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21654723 + ... + 21660310.
It is an arithmetic number, because the mean of its divisors is an integer number (12474729792).
Almost surely, 2121022202202 is an apocalyptic number.
121022202202 is a deficient number, since it is larger than the sum of its proper divisors (78573474470).
121022202202 is a wasteful number, since it uses less digits than its factorization.
121022202202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43315173.
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 121022202202 its reverse (202202220121), we get a palindrome (323224422323).
The spelling of 121022202202 in words is "one hundred twenty-one billion, twenty-two million, two hundred two thousand, two hundred two".
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