Base | Representation |
---|---|
bin | 1111110111111… |
… | …11011101111000 |
3 | 100021120120201221 |
4 | 13323333131320 |
5 | 233042320333 |
6 | 21114121424 |
7 | 3204620614 |
oct | 773773570 |
9 | 307516657 |
10 | 133166968 |
11 | 69195350 |
12 | 38720274 |
13 | 2178712c |
14 | 13986344 |
15 | ba56d2d |
hex | 7eff778 |
133166968 has 32 divisors (see below), whose sum is σ = 273184560. Its totient is φ = 60353280.
The previous prime is 133166963. The next prime is 133166977. The reversal of 133166968 is 869661331.
133166968 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133166963) 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, 30796 + ... + 34852.
Almost surely, 2133166968 is an apocalyptic number.
It is an amenable number.
133166968 is an abundant number, since it is smaller than the sum of its proper divisors (140017592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133166968 is a wasteful number, since it uses less digits than its factorization.
133166968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4447 (or 4443 counting only the distinct ones).
The product of its digits is 139968, while the sum is 43.
The square root of 133166968 is about 11539.7993050139. The cubic root of 133166968 is about 510.6603876213.
The spelling of 133166968 in words is "one hundred thirty-three million, one hundred sixty-six thousand, nine hundred sixty-eight".
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