Base | Representation |
---|---|
bin | 1101011001101100100… |
… | …1011011000001001011 |
3 | 211000021120001001101201 |
4 | 3112123021123001023 |
5 | 12233010432031011 |
6 | 253434040525031 |
7 | 22430316311362 |
oct | 3263311330113 |
9 | 730246031351 |
10 | 230236205131 |
11 | 89708376689 |
12 | 38755780777 |
13 | 18932606a0a |
14 | b201a547d9 |
15 | 5ec7ba9cc1 |
hex | 359b25b04b |
230236205131 has 4 divisors (see below), whose sum is σ = 230237165664. Its totient is φ = 230235244600.
The previous prime is 230236205113. The next prime is 230236205141. The reversal of 230236205131 is 131502632032.
230236205131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 230236205131 - 217 = 230236074059 is a prime.
It is a super-2 number, since 2×2302362051312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230236205131.
It is not an unprimeable number, because it can be changed into a prime (230236205141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209421 + ... + 710161.
It is an arithmetic number, because the mean of its divisors is an integer number (57559291416).
Almost surely, 2230236205131 is an apocalyptic number.
230236205131 is a deficient number, since it is larger than the sum of its proper divisors (960533).
230236205131 is an equidigital number, since it uses as much as digits as its factorization.
230236205131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 960532.
The product of its (nonzero) digits is 6480, while the sum is 28.
Adding to 230236205131 its reverse (131502632032), we get a palindrome (361738837163).
The spelling of 230236205131 in words is "two hundred thirty billion, two hundred thirty-six million, two hundred five thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •