Base | Representation |
---|---|
bin | 1111110111101… |
… | …11001011011111 |
3 | 100021111212011201 |
4 | 13323313023133 |
5 | 233040224043 |
6 | 21113300331 |
7 | 3204416632 |
oct | 773671337 |
9 | 307455151 |
10 | 133133023 |
11 | 691718a1 |
12 | 387046a7 |
13 | 2177484a |
14 | 13977c19 |
15 | ba4bc4d |
hex | 7ef72df |
133133023 has 8 divisors (see below), whose sum is σ = 135508896. Its totient is φ = 130771200.
The previous prime is 133132991. The next prime is 133133029. The reversal of 133133023 is 320331331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 133133023 - 25 = 133132991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133133029) 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, 16615 + ... + 23287.
It is an arithmetic number, because the mean of its divisors is an integer number (16938612).
Almost surely, 2133133023 is an apocalyptic number.
133133023 is a deficient number, since it is larger than the sum of its proper divisors (2375873).
133133023 is an equidigital number, since it uses as much as digits as its factorization.
133133023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7025.
The product of its (nonzero) digits is 486, while the sum is 19.
The square root of 133133023 is about 11538.3284317963. The cubic root of 133133023 is about 510.6169938774.
Adding to 133133023 its reverse (320331331), we get a palindrome (453464354).
The spelling of 133133023 in words is "one hundred thirty-three million, one hundred thirty-three thousand, twenty-three".
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