Base | Representation |
---|---|
bin | 100000010100011101111… |
… | …110111001100111001010 |
3 | 21212022210101102222110020 |
4 | 200110131332321213022 |
5 | 242342102241321302 |
6 | 4420151442001310 |
7 | 316314323013534 |
oct | 40243576714712 |
9 | 7768711388406 |
10 | 2221001120202 |
11 | 786a1525a477 |
12 | 2ba540946236 |
13 | 13159379b197 |
14 | 796d5bb6854 |
15 | 3cb90020ebc |
hex | 2051dfb99ca |
2221001120202 has 16 divisors (see below), whose sum is σ = 4445089125120. Its totient is φ = 739819225952.
The previous prime is 2221001120141. The next prime is 2221001120209. The reversal of 2221001120202 is 2020211001222.
It is not an unprimeable number, because it can be changed into a prime (2221001120209) 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, 128610843 + ... + 128628110.
It is an arithmetic number, because the mean of its divisors is an integer number (277818070320).
Almost surely, 22221001120202 is an apocalyptic number.
2221001120202 is an abundant number, since it is smaller than the sum of its proper divisors (2224088004918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2221001120202 is a wasteful number, since it uses less digits than its factorization.
2221001120202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257240397.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 2221001120202 its reverse (2020211001222), we get a palindrome (4241212121424).
The spelling of 2221001120202 in words is "two trillion, two hundred twenty-one billion, one million, one hundred twenty thousand, two hundred two".
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