Base | Representation |
---|---|
bin | 1000001111101001… |
… | …1001100101001111 |
3 | 12201020101100222112 |
4 | 2003322121211033 |
5 | 14013024440211 |
6 | 1003334534235 |
7 | 105562150550 |
oct | 20372314517 |
9 | 5636340875 |
10 | 2213124431 |
11 | a36284161 |
12 | 51920737b |
13 | 2936783ab |
14 | 16dcd6327 |
15 | ce46088b |
hex | 83e9994f |
2213124431 has 8 divisors (see below), whose sum is σ = 2529669120. Its totient is φ = 1896675768.
The previous prime is 2213124383. The next prime is 2213124437. The reversal of 2213124431 is 1344213122.
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 2213124431 - 218 = 2212862287 is a prime.
It is a super-2 number, since 2×22131244312 = 9795839494178147522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2213124397 and 2213124406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2213124437) 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 7 ways as a sum of consecutive naturals, for example, 35090 + ... + 75216.
It is an arithmetic number, because the mean of its divisors is an integer number (316208640).
Almost surely, 22213124431 is an apocalyptic number.
2213124431 is a deficient number, since it is larger than the sum of its proper divisors (316544689).
2213124431 is an equidigital number, since it uses as much as digits as its factorization.
2213124431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48013.
The product of its digits is 1152, while the sum is 23.
The square root of 2213124431 is about 47043.8564639422. The cubic root of 2213124431 is about 1303.1726121777.
Adding to 2213124431 its reverse (1344213122), we get a palindrome (3557337553).
The spelling of 2213124431 in words is "two billion, two hundred thirteen million, one hundred twenty-four thousand, four hundred thirty-one".
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