Base | Representation |
---|---|
bin | 1011000111010110110011… |
… | …1110010001010001000101 |
3 | 1121021022120012210112222220 |
4 | 2301311230332101101011 |
5 | 3100212112104020401 |
6 | 41554130554042553 |
7 | 2400640011621354 |
oct | 261655476212105 |
9 | 47238505715886 |
10 | 12221010220101 |
11 | 39919a0739371 |
12 | 145461b719459 |
13 | 6a8589791657 |
14 | 3037001d399b |
15 | 162d6ab60336 |
hex | b1d6cf91445 |
12221010220101 has 8 divisors (see below), whose sum is σ = 16294725665184. Its totient is φ = 8147317460880.
The previous prime is 12221010220079. The next prime is 12221010220121. The reversal of 12221010220101 is 10102201012221.
12221010220101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12221010220101 - 227 = 12220876002373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12221010220121) 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, 4371946 + ... + 6599691.
It is an arithmetic number, because the mean of its divisors is an integer number (2036840708148).
Almost surely, 212221010220101 is an apocalyptic number.
It is an amenable number.
12221010220101 is a deficient number, since it is larger than the sum of its proper divisors (4073715445083).
12221010220101 is a wasteful number, since it uses less digits than its factorization.
12221010220101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11342931.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 12221010220101 its reverse (10102201012221), we get a palindrome (22323211232322).
The spelling of 12221010220101 in words is "twelve trillion, two hundred twenty-one billion, ten million, two hundred twenty thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •