Base | Representation |
---|---|
bin | 100000001010011011011… |
… | …100110110100011101010 |
3 | 21211021222010011102021210 |
4 | 200022123130312203222 |
5 | 242203013113101442 |
6 | 4411210035213550 |
7 | 315453225260334 |
oct | 40123334664352 |
9 | 7737863142253 |
10 | 2210221222122 |
11 | 7823932944a1 |
12 | 2b84327472b6 |
13 | 130566348774 |
14 | 78d9223c454 |
15 | 3c75d95c19c |
hex | 2029b7368ea |
2210221222122 has 96 divisors (see below), whose sum is σ = 4840125965568. Its totient is φ = 672221113344.
The previous prime is 2210221222081. The next prime is 2210221222127. The reversal of 2210221222122 is 2212221220122.
It is not an unprimeable number, because it can be changed into a prime (2210221222127) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17709583 + ... + 17833949.
It is an arithmetic number, because the mean of its divisors is an integer number (50417978808).
Almost surely, 22210221222122 is an apocalyptic number.
2210221222122 is an abundant number, since it is smaller than the sum of its proper divisors (2629904743446).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2210221222122 is a wasteful number, since it uses less digits than its factorization.
2210221222122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124720 (or 124703 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 2210221222122 its reverse (2212221220122), we get a palindrome (4422442442244).
The spelling of 2210221222122 in words is "two trillion, two hundred ten billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".
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