Base | Representation |
---|---|
bin | 11010000000000… |
… | …00100101010100 |
3 | 120012101221110021 |
4 | 31000000211110 |
5 | 421313344241 |
6 | 33350434524 |
7 | 5255605060 |
oct | 1500004524 |
9 | 505357407 |
10 | 218106196 |
11 | 10212a460 |
12 | 61062a44 |
13 | 36256729 |
14 | 20d76aa0 |
15 | 142340d1 |
hex | d000954 |
218106196 has 24 divisors (see below), whose sum is σ = 475868736. Its totient is φ = 84976320.
The previous prime is 218106193. The next prime is 218106211. The reversal of 218106196 is 691601812.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (218106193) 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, 353761 + ... + 354376.
It is an arithmetic number, because the mean of its divisors is an integer number (19827864).
Almost surely, 2218106196 is an apocalyptic number.
It is an amenable number.
218106196 is an abundant number, since it is smaller than the sum of its proper divisors (257762540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
218106196 is a wasteful number, since it uses less digits than its factorization.
218106196 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 708159 (or 708157 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 34.
The square root of 218106196 is about 14768.4188727162. The cubic root of 218106196 is about 601.9438769179.
The spelling of 218106196 in words is "two hundred eighteen million, one hundred six thousand, one hundred ninety-six".
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