Base | Representation |
---|---|
bin | 1100011001100100001… |
… | …1000001100000001111 |
3 | 202100211210210022101211 |
4 | 3012121003001200033 |
5 | 11442231400313033 |
6 | 241505513315251 |
7 | 21250601336521 |
oct | 3063103014017 |
9 | 670753708354 |
10 | 213021104143 |
11 | 823839504a1 |
12 | 35350405b27 |
13 | 1711ab9ca23 |
14 | a44b581a11 |
15 | 581b6942cd |
hex | 31990c180f |
213021104143 has 8 divisors (see below), whose sum is σ = 220944558240. Its totient is φ = 205211656800.
The previous prime is 213021104123. The next prime is 213021104171. The reversal of 213021104143 is 341401120312.
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-213021104143 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 (213021104123) 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, 28497883 + ... + 28505356.
It is an arithmetic number, because the mean of its divisors is an integer number (27618069780).
Almost surely, 2213021104143 is an apocalyptic number.
213021104143 is a deficient number, since it is larger than the sum of its proper divisors (7923454097).
213021104143 is a wasteful number, since it uses less digits than its factorization.
213021104143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57003377.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 213021104143 its reverse (341401120312), we get a palindrome (554422224455).
The spelling of 213021104143 in words is "two hundred thirteen billion, twenty-one million, one hundred four thousand, one hundred forty-three".
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