Base | Representation |
---|---|
bin | 11001111111001… |
… | …10101100000100 |
3 | 120012012112221222 |
4 | 30333212230010 |
5 | 421302001012 |
6 | 33344255512 |
7 | 5254653620 |
oct | 1477465404 |
9 | 505175858 |
10 | 218000132 |
11 | 1020677a9 |
12 | 61011598 |
13 | 3621a37c |
14 | 20d4a180 |
15 | 14212972 |
hex | cfe6b04 |
218000132 has 24 divisors (see below), whose sum is σ = 436704576. Its totient is φ = 93277728.
The previous prime is 218000099. The next prime is 218000143. The reversal of 218000132 is 231000812.
It is a self number, because there is not a number n which added to its sum of digits gives 218000132.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12323 + ... + 24245.
It is an arithmetic number, because the mean of its divisors is an integer number (18196024).
Almost surely, 2218000132 is an apocalyptic number.
It is an amenable number.
218000132 is an abundant number, since it is smaller than the sum of its proper divisors (218704444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
218000132 is a wasteful number, since it uses less digits than its factorization.
218000132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12587 (or 12585 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 218000132 is about 14764.8275303168. The cubic root of 218000132 is about 601.8462869542.
Adding to 218000132 its reverse (231000812), we get a palindrome (449000944).
The spelling of 218000132 in words is "two hundred eighteen million, one hundred thirty-two", and thus it is an aban number.
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