Base | Representation |
---|---|
bin | 1111110111110… |
… | …01001011011111 |
3 | 100021112021102010 |
4 | 13323321023133 |
5 | 233041004330 |
6 | 21113402303 |
7 | 3204452544 |
oct | 773711337 |
9 | 307467363 |
10 | 133141215 |
11 | 69177a69 |
12 | 38709393 |
13 | 217784ac |
14 | 1397abcb |
15 | ba4e3b0 |
hex | 7ef92df |
133141215 has 8 divisors (see below), whose sum is σ = 213025968. Its totient is φ = 71008640.
The previous prime is 133141159. The next prime is 133141219. The reversal of 133141215 is 512141331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 133141215 - 27 = 133141087 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 133141191 and 133141200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133141219) 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, 4438026 + ... + 4438055.
It is an arithmetic number, because the mean of its divisors is an integer number (26628246).
Almost surely, 2133141215 is an apocalyptic number.
133141215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
133141215 is a deficient number, since it is larger than the sum of its proper divisors (79884753).
133141215 is an equidigital number, since it uses as much as digits as its factorization.
133141215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8876089.
The product of its digits is 360, while the sum is 21.
The square root of 133141215 is about 11538.6834170975. The cubic root of 133141215 is about 510.6274668327.
Adding to 133141215 its reverse (512141331), we get a palindrome (645282546).
The spelling of 133141215 in words is "one hundred thirty-three million, one hundred forty-one thousand, two hundred fifteen".
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