Base | Representation |
---|---|
bin | 10110011101101111… |
… | …001100001110001101 |
3 | 2022021001100110022002 |
4 | 112131233030032031 |
5 | 343400013331341 |
6 | 15025305402045 |
7 | 1512514034234 |
oct | 263557141615 |
9 | 68231313262 |
10 | 24121230221 |
11 | a258895310 |
12 | 4812199325 |
13 | 23754641ba |
14 | 124b795b1b |
15 | 96298b29b |
hex | 59dbcc38d |
24121230221 has 8 divisors (see below), whose sum is σ = 26447645664. Its totient is φ = 21817077520.
The previous prime is 24121230193. The next prime is 24121230229. The reversal of 24121230221 is 12203212142.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-24121230221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 24121230193 and 24121230202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (24121230229) 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, 5563415 + ... + 5567748.
It is an arithmetic number, because the mean of its divisors is an integer number (3305955708).
Almost surely, 224121230221 is an apocalyptic number.
It is an amenable number.
24121230221 is a deficient number, since it is larger than the sum of its proper divisors (2326415443).
24121230221 is a wasteful number, since it uses less digits than its factorization.
24121230221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11131371.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 24121230221 its reverse (12203212142), we get a palindrome (36324442363).
The spelling of 24121230221 in words is "twenty-four billion, one hundred twenty-one million, two hundred thirty thousand, two hundred twenty-one".
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