Base | Representation |
---|---|
bin | 1100100101001001011… |
… | …1100111100001111111 |
3 | 202122212111021012110222 |
4 | 3021102113213201333 |
5 | 12020113323201433 |
6 | 243142222051555 |
7 | 21420624063656 |
oct | 3112227474177 |
9 | 678774235428 |
10 | 216130287743 |
11 | 83729a05117 |
12 | 35a79719bbb |
13 | 174c5091b36 |
14 | a66448a19d |
15 | 594e603b98 |
hex | 32525e787f |
216130287743 has 4 divisors (see below), whose sum is σ = 216179897400. Its totient is φ = 216080678088.
The previous prime is 216130287697. The next prime is 216130287749. The reversal of 216130287743 is 347782031612.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-216130287743 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 216130287694 and 216130287703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (216130287749) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24798293 + ... + 24807006.
It is an arithmetic number, because the mean of its divisors is an integer number (54044974350).
Almost surely, 2216130287743 is an apocalyptic number.
216130287743 is a deficient number, since it is larger than the sum of its proper divisors (49609657).
216130287743 is an equidigital number, since it uses as much as digits as its factorization.
216130287743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49609656.
The product of its (nonzero) digits is 338688, while the sum is 44.
The spelling of 216130287743 in words is "two hundred sixteen billion, one hundred thirty million, two hundred eighty-seven thousand, seven hundred forty-three".
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