Base | Representation |
---|---|
bin | 1100011110110010101… |
… | …1111010010010011101 |
3 | 202111110121012122100111 |
4 | 3013230223322102131 |
5 | 12003120112101141 |
6 | 242301041330021 |
7 | 21330430513246 |
oct | 3075453722235 |
9 | 674417178314 |
10 | 214424331421 |
11 | 82a33a43963 |
12 | 35682336911 |
13 | 172b280b421 |
14 | a541a93ccd |
15 | 589e975381 |
hex | 31ecafa49d |
214424331421 has 8 divisors (see below), whose sum is σ = 215379560000. Its totient is φ = 213471205920.
The previous prime is 214424331419. The next prime is 214424331431. The reversal of 214424331421 is 124133424412.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 214424331421 - 21 = 214424331419 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 (214424331431) 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, 321225 + ... + 729406.
It is an arithmetic number, because the mean of its divisors is an integer number (26922445000).
Almost surely, 2214424331421 is an apocalyptic number.
It is an amenable number.
214424331421 is a deficient number, since it is larger than the sum of its proper divisors (955228579).
214424331421 is a wasteful number, since it uses less digits than its factorization.
214424331421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1051539.
The product of its digits is 18432, while the sum is 31.
Adding to 214424331421 its reverse (124133424412), we get a palindrome (338557755833).
The spelling of 214424331421 in words is "two hundred fourteen billion, four hundred twenty-four million, three hundred thirty-one thousand, four hundred twenty-one".
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