Base | Representation |
---|---|
bin | 1100110111101111011… |
… | …0011011111110000010 |
3 | 210010202022112211000011 |
4 | 3031323312123332002 |
5 | 12110324011400002 |
6 | 245325350415134 |
7 | 21655406121403 |
oct | 3157366337602 |
9 | 703668484004 |
10 | 221121200002 |
11 | 8586017539a |
12 | 36a310614aa |
13 | 17b0c08b161 |
14 | a9b92639aa |
15 | 5b428628d7 |
hex | 337bd9bf82 |
221121200002 has 8 divisors (see below), whose sum is σ = 331710946956. Its totient is φ = 110550884352.
The previous prime is 221121199979. The next prime is 221121200033. The reversal of 221121200002 is 200002121122.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 207563159281 + 13558040721 = 455591^2 + 116439^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4829343 + ... + 4874914.
Almost surely, 2221121200002 is an apocalyptic number.
221121200002 is a deficient number, since it is larger than the sum of its proper divisors (110589746954).
221121200002 is a wasteful number, since it uses less digits than its factorization.
221121200002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9715652.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 221121200002 its reverse (200002121122), we get a palindrome (421123321124).
The spelling of 221121200002 in words is "two hundred twenty-one billion, one hundred twenty-one million, two hundred thousand, two".
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