Base | Representation |
---|---|
bin | 1000010000001000… |
… | …0100000011101111 |
3 | 12201101011102210122 |
4 | 2010002010003233 |
5 | 14014033232143 |
6 | 1003445555155 |
7 | 105615215636 |
oct | 20402040357 |
9 | 5641142718 |
10 | 2215133423 |
11 | a37426588 |
12 | 519a15abb |
13 | 293bcc949 |
14 | 17029a51d |
15 | ce70ac68 |
hex | 840840ef |
2215133423 has 4 divisors (see below), whose sum is σ = 2215761480. Its totient is φ = 2214505368.
The previous prime is 2215133407. The next prime is 2215133441. The reversal of 2215133423 is 3243315122.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2215133423 - 24 = 2215133407 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2215133392 and 2215133401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2215133023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308708 + ... + 315801.
It is an arithmetic number, because the mean of its divisors is an integer number (553940370).
Almost surely, 22215133423 is an apocalyptic number.
2215133423 is a deficient number, since it is larger than the sum of its proper divisors (628057).
2215133423 is an equidigital number, since it uses as much as digits as its factorization.
2215133423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 628056.
The product of its digits is 4320, while the sum is 26.
The square root of 2215133423 is about 47065.2039515394. The cubic root of 2215133423 is about 1303.5668167875.
Adding to 2215133423 its reverse (3243315122), we get a palindrome (5458448545).
The spelling of 2215133423 in words is "two billion, two hundred fifteen million, one hundred thirty-three thousand, four hundred twenty-three".
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