Base | Representation |
---|---|
bin | 110010010010111010100111… |
… | …001010000001101111000011 |
3 | 1002000012201120100111111111001 |
4 | 302102322213022001233003 |
5 | 212443134111241232321 |
6 | 2102242520434232431 |
7 | 64410221655525232 |
oct | 6222724712015703 |
9 | 1060181510444431 |
10 | 221202210102211 |
11 | 6453336a966a28 |
12 | 20986578725717 |
13 | 96573819b81b0 |
14 | 3c8a35bb16b19 |
15 | 1a88e9cb75c91 |
hex | c92ea7281bc3 |
221202210102211 has 8 divisors (see below), whose sum is σ = 240530558559200. Its totient is φ = 202204260764352.
The previous prime is 221202210102161. The next prime is 221202210102271. The reversal of 221202210102211 is 112201012202122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 221202210102211 - 241 = 219003186846659 is a prime.
It is not an unprimeable number, because it can be changed into a prime (221202210102271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82599778386 + ... + 82599781063.
It is an arithmetic number, because the mean of its divisors is an integer number (30066319819900).
Almost surely, 2221202210102211 is an apocalyptic number.
221202210102211 is a deficient number, since it is larger than the sum of its proper divisors (19328348456989).
221202210102211 is a wasteful number, since it uses less digits than its factorization.
221202210102211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165199559565.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 221202210102211 its reverse (112201012202122), we get a palindrome (333403222304333).
The spelling of 221202210102211 in words is "two hundred twenty-one trillion, two hundred two billion, two hundred ten million, one hundred two thousand, two hundred eleven".
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