Base | Representation |
---|---|
bin | 11001011011011… |
… | …10011001110110 |
3 | 112212101102121202 |
4 | 30231232121312 |
5 | 414102010032 |
6 | 33100012502 |
7 | 5200063130 |
oct | 1455563166 |
9 | 485342552 |
10 | 213313142 |
11 | aa456359 |
12 | 5b531132 |
13 | 35268bc3 |
14 | 2048a050 |
15 | 13ad8d62 |
hex | cb6e676 |
213313142 has 8 divisors (see below), whose sum is σ = 365679696. Its totient is φ = 91419912.
The previous prime is 213313141. The next prime is 213313147. The reversal of 213313142 is 241313312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213313141) 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 3 ways as a sum of consecutive naturals, for example, 7618313 + ... + 7618340.
It is an arithmetic number, because the mean of its divisors is an integer number (45709962).
Almost surely, 2213313142 is an apocalyptic number.
213313142 is a deficient number, since it is larger than the sum of its proper divisors (152366554).
213313142 is a wasteful number, since it uses less digits than its factorization.
213313142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15236662.
The product of its digits is 432, while the sum is 20.
The square root of 213313142 is about 14605.2436474028. The cubic root of 213313142 is about 597.5017811260.
Adding to 213313142 its reverse (241313312), we get a palindrome (454626454).
The spelling of 213313142 in words is "two hundred thirteen million, three hundred thirteen thousand, one hundred forty-two".
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