Base | Representation |
---|---|
bin | 1111111000010… |
… | …10110000010001 |
3 | 100021122221011021 |
4 | 13330022300101 |
5 | 233100310301 |
6 | 21115115441 |
7 | 3205202452 |
oct | 774126021 |
9 | 307587137 |
10 | 133213201 |
11 | 69217060 |
12 | 38742b81 |
13 | 217a21a4 |
14 | 13999129 |
15 | ba658a1 |
hex | 7f0ac11 |
133213201 has 8 divisors (see below), whose sum is σ = 145656864. Its totient is φ = 120825120.
The previous prime is 133213189. The next prime is 133213229. The reversal of 133213201 is 102312331.
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 133213201 - 211 = 133211153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (133213271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8796 + ... + 18541.
It is an arithmetic number, because the mean of its divisors is an integer number (18207108).
Almost surely, 2133213201 is an apocalyptic number.
133213201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
133213201 is a deficient number, since it is larger than the sum of its proper divisors (12443663).
133213201 is a wasteful number, since it uses less digits than its factorization.
133213201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27791.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 133213201 is about 11541.8023289259. The cubic root of 133213201 is about 510.7194779256.
Adding to 133213201 its reverse (102312331), we get a palindrome (235525532).
The spelling of 133213201 in words is "one hundred thirty-three million, two hundred thirteen thousand, two hundred one".
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