Base | Representation |
---|---|
bin | 111110111110110… |
… | …0110111011010111 |
3 | 12110021112212200000 |
4 | 1331331212323113 |
5 | 13312001132411 |
6 | 545411222343 |
7 | 103240525665 |
oct | 17575467327 |
9 | 5407485600 |
10 | 2113302231 |
11 | 9949a4277 |
12 | 4ab8a79b3 |
13 | 278a977c1 |
14 | 16094dc35 |
15 | c57e3956 |
hex | 7df66ed7 |
2113302231 has 24 divisors (see below), whose sum is σ = 3225353040. Its totient is φ = 1382277312.
The previous prime is 2113302223. The next prime is 2113302251. The reversal of 2113302231 is 1322033112.
It is not a de Polignac number, because 2113302231 - 23 = 2113302223 is a prime.
It is a super-2 number, since 2×21133022312 = 8932092639099154722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2113302251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69166 + ... + 94923.
It is an arithmetic number, because the mean of its divisors is an integer number (134389710).
Almost surely, 22113302231 is an apocalyptic number.
2113302231 is a deficient number, since it is larger than the sum of its proper divisors (1112050809).
2113302231 is an equidigital number, since it uses as much as digits as its factorization.
2113302231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164157 (or 164145 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 2113302231 is about 45970.6670715142. The cubic root of 2113302231 is about 1283.2773741983.
Adding to 2113302231 its reverse (1322033112), we get a palindrome (3435335343).
The spelling of 2113302231 in words is "two billion, one hundred thirteen million, three hundred two thousand, two hundred thirty-one".
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