Base | Representation |
---|---|
bin | 10011100100010100… |
… | …010111101000111111 |
3 | 2000020020210121212210 |
4 | 103210110113220333 |
5 | 321012131223033 |
6 | 13352502031503 |
7 | 1342441400505 |
oct | 234424275077 |
9 | 60206717783 |
10 | 21010414143 |
11 | 8a01916134 |
12 | 40a4418593 |
13 | 1c9ab20024 |
14 | 1034584675 |
15 | 82e807d63 |
hex | 4e4517a3f |
21010414143 has 8 divisors (see below), whose sum is σ = 28014846256. Its totient is φ = 14006462400.
The previous prime is 21010414097. The next prime is 21010414151. The reversal of 21010414143 is 34141401012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 21010414143 - 28 = 21010413887 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 (21010414163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228 + ... + 204993.
It is an arithmetic number, because the mean of its divisors is an integer number (3501855782).
Almost surely, 221010414143 is an apocalyptic number.
21010414143 is a deficient number, since it is larger than the sum of its proper divisors (7004432113).
21010414143 is a wasteful number, since it uses less digits than its factorization.
21010414143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 240185.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 21010414143 its reverse (34141401012), we get a palindrome (55151815155).
The spelling of 21010414143 in words is "twenty-one billion, ten million, four hundred fourteen thousand, one hundred forty-three".
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