Base | Representation |
---|---|
bin | 10011111110011001… |
… | …101000010110101101 |
3 | 2001100202012100010020 |
4 | 103332121220112231 |
5 | 322411142012231 |
6 | 13504133032353 |
7 | 1356333666663 |
oct | 237631502655 |
9 | 61322170106 |
10 | 21448000941 |
11 | 9106923614 |
12 | 41a6a856b9 |
13 | 203a691923 |
14 | 1076730c33 |
15 | 857e43396 |
hex | 4fe6685ad |
21448000941 has 8 divisors (see below), whose sum is σ = 28598301120. Its totient is φ = 14298184032.
The previous prime is 21448000933. The next prime is 21448000943. The reversal of 21448000941 is 14900084412.
21448000941 is a nontrivial binomial coefficient, being equal to C(207114, 2).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 21448000941 - 23 = 21448000933 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21448000943) 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, 1 + ... + 207113.
It is an arithmetic number, because the mean of its divisors is an integer number (3574787640).
Almost surely, 221448000941 is an apocalyptic number.
21448000941 is the 207113-rd triangular number and also the 103557-th hexagonal number.
It is an amenable number.
21448000941 is a deficient number, since it is larger than the sum of its proper divisors (7150300179).
21448000941 is a wasteful number, since it uses less digits than its factorization.
21448000941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241635.
The product of its (nonzero) digits is 9216, while the sum is 33.
The spelling of 21448000941 in words is "twenty-one billion, four hundred forty-eight million, nine hundred forty-one", and thus it is an aban number.
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