Base | Representation |
---|---|
bin | 1111111001111… |
… | …01110000101001 |
3 | 100022001112202001 |
4 | 13330331300221 |
5 | 233124001441 |
6 | 21123411001 |
7 | 3210032530 |
oct | 774756051 |
9 | 308045661 |
10 | 133422121 |
11 | 6934a018 |
12 | 38823a61 |
13 | 21846301 |
14 | 13a11317 |
15 | baa7731 |
hex | 7f3dc29 |
133422121 has 8 divisors (see below), whose sum is σ = 152792000. Its totient is φ = 114129648.
The previous prime is 133422101. The next prime is 133422131. The reversal of 133422121 is 121224331.
It is a happy number.
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 133422121 - 25 = 133422089 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (133422101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15606 + ... + 22591.
It is an arithmetic number, because the mean of its divisors is an integer number (19099000).
Almost surely, 2133422121 is an apocalyptic number.
It is an amenable number.
133422121 is a deficient number, since it is larger than the sum of its proper divisors (19369879).
133422121 is an equidigital number, since it uses as much as digits as its factorization.
133422121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38703.
The product of its digits is 288, while the sum is 19.
The square root of 133422121 is about 11550.8493627092. The cubic root of 133422121 is about 510.9863278116.
Adding to 133422121 its reverse (121224331), we get a palindrome (254646452).
The spelling of 133422121 in words is "one hundred thirty-three million, four hundred twenty-two thousand, one hundred twenty-one".
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