Base | Representation |
---|---|
bin | 111111011101000011… |
… | …101010001000100010 |
3 | 20111212022200212012222 |
4 | 333131003222020202 |
5 | 2104014101430221 |
6 | 51144443351042 |
7 | 4631255632544 |
oct | 773503521042 |
9 | 214768625188 |
10 | 68133233186 |
11 | 26993485587 |
12 | 11255822482 |
13 | 656a77b5c5 |
14 | 3424b1d694 |
15 | 1b8b7b99ab |
hex | fdd0ea222 |
68133233186 has 12 divisors (see below), whose sum is σ = 105845506962. Its totient is φ = 32891904864.
The previous prime is 68133233183. The next prime is 68133233191.
68133233186 is nontrivially palindromic in base 10.
68133233186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 63139125625 + 4994107561 = 251275^2 + 70669^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (68133233183) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20251955 + ... + 20255318.
Almost surely, 268133233186 is an apocalyptic number.
68133233186 is a deficient number, since it is larger than the sum of its proper divisors (37712273776).
68133233186 is a wasteful number, since it uses less digits than its factorization.
68133233186 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40507333 (or 40507304 counting only the distinct ones).
The product of its digits is 373248, while the sum is 44.
The spelling of 68133233186 in words is "sixty-eight billion, one hundred thirty-three million, two hundred thirty-three thousand, one hundred eighty-six".
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