Base | Representation |
---|---|
bin | 1011000111111000011000… |
… | …1000010000001101101101 |
3 | 1121022011211021102200101110 |
4 | 2301332012020100031231 |
5 | 3100334041140432341 |
6 | 42002221124102233 |
7 | 2401406231325615 |
oct | 261760610201555 |
9 | 47264737380343 |
10 | 12230022202221 |
11 | 39957a577397a |
12 | 1456315834979 |
13 | 6a9394878755 |
14 | 303d17047a45 |
15 | 1631e6e07216 |
hex | b1f8621036d |
12230022202221 has 32 divisors (see below), whose sum is σ = 16623711336960. Its totient is φ = 7996288449600.
The previous prime is 12230022202193. The next prime is 12230022202231. The reversal of 12230022202221 is 12220222003221.
It is not a de Polignac number, because 12230022202221 - 218 = 12230021940077 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12230022202231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510188766 + ... + 510212736.
It is an arithmetic number, because the mean of its divisors is an integer number (519490979280).
Almost surely, 212230022202221 is an apocalyptic number.
It is an amenable number.
12230022202221 is a deficient number, since it is larger than the sum of its proper divisors (4393689134739).
12230022202221 is a wasteful number, since it uses less digits than its factorization.
12230022202221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38937.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 12230022202221 its reverse (12220222003221), we get a palindrome (24450244205442).
The spelling of 12230022202221 in words is "twelve trillion, two hundred thirty billion, twenty-two million, two hundred two thousand, two hundred twenty-one".
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