Base | Representation |
---|---|
bin | 1000001111101011… |
… | …0110100010010111 |
3 | 12201020121101200010 |
4 | 2003322312202113 |
5 | 14013042234111 |
6 | 1003341251303 |
7 | 105563153406 |
oct | 20372664227 |
9 | 5636541603 |
10 | 2213243031 |
11 | a3635527a |
12 | 519263b33 |
13 | 2936ba37c |
14 | 16dd2763d |
15 | ce485aa6 |
hex | 83eb6897 |
2213243031 has 8 divisors (see below), whose sum is σ = 2952230400. Its totient is φ = 1474875512.
The previous prime is 2213243003. The next prime is 2213243051. The reversal of 2213243031 is 1303423122.
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 2213243031 - 213 = 2213234839 is a prime.
It is a super-2 number, since 2×22132430312 = 9796889428540133922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2213242989 and 2213243007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2213243051) 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, 146565 + ... + 160958.
It is an arithmetic number, because the mean of its divisors is an integer number (369028800).
Almost surely, 22213243031 is an apocalyptic number.
2213243031 is a deficient number, since it is larger than the sum of its proper divisors (738987369).
2213243031 is a wasteful number, since it uses less digits than its factorization.
2213243031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309925.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 2213243031 is about 47045.1169729654. The cubic root of 2213243031 is about 1303.1958905060.
Adding to 2213243031 its reverse (1303423122), we get a palindrome (3516666153).
The spelling of 2213243031 in words is "two billion, two hundred thirteen million, two hundred forty-three thousand, thirty-one".
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