Base | Representation |
---|---|
bin | 1000001000011… |
… | …11000011101100 |
3 | 11202100220000221 |
4 | 10010033003230 |
5 | 114431002431 |
6 | 10434101124 |
7 | 1455565360 |
oct | 404170354 |
9 | 152326027 |
10 | 68219116 |
11 | 35565039 |
12 | 1aa1a7a4 |
13 | 11197054 |
14 | 90bb2a0 |
15 | 5ec8111 |
hex | 410f0ec |
68219116 has 24 divisors (see below), whose sum is σ = 136613120. Its totient is φ = 29199312.
The previous prime is 68219087. The next prime is 68219119. The reversal of 68219116 is 61191286.
It is not an unprimeable number, because it can be changed into a prime (68219119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42415 + ... + 43993.
Almost surely, 268219116 is an apocalyptic number.
It is an amenable number.
68219116 is an abundant number, since it is smaller than the sum of its proper divisors (68394004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68219116 is a wasteful number, since it uses less digits than its factorization.
68219116 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3133 (or 3131 counting only the distinct ones).
The product of its digits is 5184, while the sum is 34.
The square root of 68219116 is about 8259.4864247119. The cubic root of 68219116 is about 408.6034499120.
The spelling of 68219116 in words is "sixty-eight million, two hundred nineteen thousand, one hundred sixteen".
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