Base | Representation |
---|---|
bin | 11001011010001… |
… | …01001001011001 |
3 | 112212001211210220 |
4 | 30231011021121 |
5 | 414031103103 |
6 | 33052230253 |
7 | 5165460345 |
oct | 1455051131 |
9 | 485054726 |
10 | 213144153 |
11 | aa3503a2 |
12 | 5b46b389 |
13 | 3520a001 |
14 | 20444625 |
15 | 13aa3c53 |
hex | cb45259 |
213144153 has 4 divisors (see below), whose sum is σ = 284192208. Its totient is φ = 142096100.
The previous prime is 213144149. The next prime is 213144157. The reversal of 213144153 is 351441312.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (213144149) and next prime (213144157).
It is a cyclic number.
It is not a de Polignac number, because 213144153 - 22 = 213144149 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (213144157) 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 3 ways as a sum of consecutive naturals, for example, 35524023 + ... + 35524028.
It is an arithmetic number, because the mean of its divisors is an integer number (71048052).
Almost surely, 2213144153 is an apocalyptic number.
It is an amenable number.
213144153 is a deficient number, since it is larger than the sum of its proper divisors (71048055).
213144153 is an equidigital number, since it uses as much as digits as its factorization.
213144153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71048054.
The product of its digits is 1440, while the sum is 24.
The square root of 213144153 is about 14599.4572844336. The cubic root of 213144153 is about 597.3439569638.
Adding to 213144153 its reverse (351441312), we get a palindrome (564585465).
The spelling of 213144153 in words is "two hundred thirteen million, one hundred forty-four thousand, one hundred fifty-three".
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