Base | Representation |
---|---|
bin | 10011101011000110… |
… | …001011000101011110 |
3 | 2000112011210011010020 |
4 | 103223012023011132 |
5 | 321230234230324 |
6 | 13412043253010 |
7 | 1345322112132 |
oct | 235306130536 |
9 | 60464704106 |
10 | 21124133214 |
11 | 8a60027a38 |
12 | 411651a166 |
13 | 1cb8558112 |
14 | 10457073c2 |
15 | 8397bc679 |
hex | 4eb18b15e |
21124133214 has 8 divisors (see below), whose sum is σ = 42248266440. Its totient is φ = 7041377736.
The previous prime is 21124133209. The next prime is 21124133231. The reversal of 21124133214 is 41233142112.
It is a sphenic number, since it is the product of 3 distinct primes.
21124133214 is an admirable number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760344429 + ... + 1760344440.
It is an arithmetic number, because the mean of its divisors is an integer number (5281033305).
Almost surely, 221124133214 is an apocalyptic number.
21124133214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21124133214 is a wasteful number, since it uses less digits than its factorization.
21124133214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3520688874.
The product of its digits is 1152, while the sum is 24.
Adding to 21124133214 its reverse (41233142112), we get a palindrome (62357275326).
The spelling of 21124133214 in words is "twenty-one billion, one hundred twenty-four million, one hundred thirty-three thousand, two hundred fourteen".
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