Base | Representation |
---|---|
bin | 11001110101011… |
… | …01111101000000 |
3 | 120002210110210212 |
4 | 30322231331000 |
5 | 420440003133 |
6 | 33301013252 |
7 | 5241040211 |
oct | 1472557500 |
9 | 502713725 |
10 | 216719168 |
11 | 101372356 |
12 | 606b4228 |
13 | 35b8c2c3 |
14 | 20ad5408 |
15 | 1405d148 |
hex | ceadf40 |
216719168 has 28 divisors (see below), whose sum is σ = 452688960. Its totient is φ = 102655872.
The previous prime is 216719161. The next prime is 216719201. The reversal of 216719168 is 861917612.
216719168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2167191682 = 93934395557224448, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (216719161) 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, 87896 + ... + 90327.
Almost surely, 2216719168 is an apocalyptic number.
It is an amenable number.
216719168 is an abundant number, since it is smaller than the sum of its proper divisors (235969792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
216719168 is a wasteful number, since it uses less digits than its factorization.
216719168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178254 (or 178244 counting only the distinct ones).
The product of its digits is 36288, while the sum is 41.
The square root of 216719168 is about 14721.3847174782. The cubic root of 216719168 is about 600.6651586305.
The spelling of 216719168 in words is "two hundred sixteen million, seven hundred nineteen thousand, one hundred sixty-eight".
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