Base | Representation |
---|---|
bin | 1101011001100111001… |
… | …0010010111101111111 |
3 | 211000012222001200111022 |
4 | 3112121302102331333 |
5 | 12232434110200011 |
6 | 253431503214355 |
7 | 22426621215044 |
oct | 3263162227577 |
9 | 730188050438 |
10 | 230213365631 |
11 | 896a6496a67 |
12 | 38749ba73bb |
13 | 1892a96b012 |
14 | b1dc9cb1cb |
15 | 5ec5b978db |
hex | 3599c92f7f |
230213365631 has 4 divisors (see below), whose sum is σ = 237639603264. Its totient is φ = 222787128000.
The previous prime is 230213365607. The next prime is 230213365639. The reversal of 230213365631 is 136563312032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230213365631 is a prime.
It is a super-2 number, since 2×2302133656312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230213365591 and 230213365600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230213365639) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3713118770 + ... + 3713118831.
It is an arithmetic number, because the mean of its divisors is an integer number (59409900816).
Almost surely, 2230213365631 is an apocalyptic number.
230213365631 is a deficient number, since it is larger than the sum of its proper divisors (7426237633).
230213365631 is an equidigital number, since it uses as much as digits as its factorization.
230213365631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7426237632.
The product of its (nonzero) digits is 58320, while the sum is 35.
Adding to 230213365631 its reverse (136563312032), we get a palindrome (366776677663).
The spelling of 230213365631 in words is "two hundred thirty billion, two hundred thirteen million, three hundred sixty-five thousand, six hundred thirty-one".
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