Base | Representation |
---|---|
bin | 10010110001110010… |
… | …010101001000111101 |
3 | 1221001011112201221200 |
4 | 102301302111020331 |
5 | 312243113131310 |
6 | 13132415050113 |
7 | 1312435346304 |
oct | 226162251075 |
9 | 57034481850 |
10 | 20162630205 |
11 | 8607308553 |
12 | 3aa8510939 |
13 | 1b942a9623 |
14 | d93b3b43b |
15 | 7d01929c0 |
hex | 4b1c9523d |
20162630205 has 48 divisors (see below), whose sum is σ = 36211743360. Its totient is φ = 10371613824.
The previous prime is 20162630203. The next prime is 20162630209. The reversal of 20162630205 is 50203626102.
20162630205 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 2 + 630 + 20 + 5 = 666.
It is not a de Polignac number, because 20162630205 - 21 = 20162630203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20162630203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69072 + ... + 212358.
It is an arithmetic number, because the mean of its divisors is an integer number (754411320).
Almost surely, 220162630205 is an apocalyptic number.
It is an amenable number.
20162630205 is a deficient number, since it is larger than the sum of its proper divisors (16049113155).
20162630205 is a wasteful number, since it uses less digits than its factorization.
20162630205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143410 (or 143407 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The spelling of 20162630205 in words is "twenty billion, one hundred sixty-two million, six hundred thirty thousand, two hundred five".
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