Base | Representation |
---|---|
bin | 100000010011100010011… |
… | …011100100010100101101 |
3 | 21212020012202102112020120 |
4 | 200103202123210110231 |
5 | 242333031003032341 |
6 | 4415504351235153 |
7 | 316250501445243 |
oct | 40234233442455 |
9 | 7766182375216 |
10 | 2220002002221 |
11 | 786552289333 |
12 | 2ba302218ab9 |
13 | 1314647ac603 |
14 | 7963d218793 |
15 | 3cb32466066 |
hex | 204e26e452d |
2220002002221 has 16 divisors (see below), whose sum is σ = 2978110464000. Its totient is φ = 1470949719408.
The previous prime is 2220002002219. The next prime is 2220002002223. The reversal of 2220002002221 is 1222002000222.
It is an interprime number because it is at equal distance from previous prime (2220002002219) and next prime (2220002002223).
It is not a de Polignac number, because 2220002002221 - 21 = 2220002002219 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2220002002221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220002002223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3666180 + ... + 4228578.
It is an arithmetic number, because the mean of its divisors is an integer number (186131904000).
Almost surely, 22220002002221 is an apocalyptic number.
It is an amenable number.
2220002002221 is a deficient number, since it is larger than the sum of its proper divisors (758108461779).
2220002002221 is a wasteful number, since it uses less digits than its factorization.
2220002002221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570448.
The product of its (nonzero) digits is 128, while the sum is 15.
Adding to 2220002002221 its reverse (1222002000222), we get a palindrome (3442004002443).
The spelling of 2220002002221 in words is "two trillion, two hundred twenty billion, two million, two thousand, two hundred twenty-one".
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