Base | Representation |
---|---|
bin | 10010110101010010… |
… | …001110111101010111 |
3 | 1221012020222202021021 |
4 | 102311102032331113 |
5 | 312403124401033 |
6 | 13142313102011 |
7 | 1314050266465 |
oct | 226522167527 |
9 | 57166882237 |
10 | 20221325143 |
11 | 8637457968 |
12 | 3b040b7907 |
13 | 1ba34ba566 |
14 | d9b859835 |
15 | 7d53d8b2d |
hex | 4b548ef57 |
20221325143 has 8 divisors (see below), whose sum is σ = 20313561888. Its totient is φ = 20129193984.
The previous prime is 20221325077. The next prime is 20221325171. The reversal of 20221325143 is 34152312202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-20221325143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20221325183) 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, 371055 + ... + 422047.
It is an arithmetic number, because the mean of its divisors is an integer number (2539195236).
Almost surely, 220221325143 is an apocalyptic number.
20221325143 is a deficient number, since it is larger than the sum of its proper divisors (92236745).
20221325143 is a wasteful number, since it uses less digits than its factorization.
20221325143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52793.
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 20221325143 its reverse (34152312202), we get a palindrome (54373637345).
The spelling of 20221325143 in words is "twenty billion, two hundred twenty-one million, three hundred twenty-five thousand, one hundred forty-three".
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