Base | Representation |
---|---|
bin | 10101100111101010… |
… | …111011101011011101 |
3 | 2012220211111201020022 |
4 | 111213222323223131 |
5 | 340020310103341 |
6 | 14355303401525 |
7 | 1451160653522 |
oct | 254752735335 |
9 | 65824451208 |
10 | 23214144221 |
11 | 9932863164 |
12 | 45ba4532a5 |
13 | 225c559418 |
14 | 11a3113149 |
15 | 90d00ee4b |
hex | 567abbadd |
23214144221 has 4 divisors (see below), whose sum is σ = 23249371200. Its totient is φ = 23178917244.
The previous prime is 23214144203. The next prime is 23214144227. The reversal of 23214144221 is 12244141232.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23214144221 - 26 = 23214144157 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 (23214144227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17612501 + ... + 17613818.
It is an arithmetic number, because the mean of its divisors is an integer number (5812342800).
Almost surely, 223214144221 is an apocalyptic number.
It is an amenable number.
23214144221 is a deficient number, since it is larger than the sum of its proper divisors (35226979).
23214144221 is an equidigital number, since it uses as much as digits as its factorization.
23214144221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35226978.
The product of its digits is 3072, while the sum is 26.
Adding to 23214144221 its reverse (12244141232), we get a palindrome (35458285453).
The spelling of 23214144221 in words is "twenty-three billion, two hundred fourteen million, one hundred forty-four thousand, two hundred twenty-one".
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