Base | Representation |
---|---|
bin | 1101011101101010100… |
… | …0001010111000110010 |
3 | 211010000210001221001001 |
4 | 3113122220022320302 |
5 | 12242201103331010 |
6 | 254131444032214 |
7 | 22465601005465 |
oct | 3273250127062 |
9 | 733023057031 |
10 | 231301230130 |
11 | 8a104572733 |
12 | 389b239266a |
13 | 18a72160119 |
14 | b2a328b2dc |
15 | 603b432c3a |
hex | 35daa0ae32 |
231301230130 has 16 divisors (see below), whose sum is σ = 416359255320. Its totient is φ = 92516705152.
The previous prime is 231301230113. The next prime is 231301230131. The reversal of 231301230130 is 31032103132.
231301230130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 213529940649 + 17771289481 = 462093^2 + 133309^2 .
It is a junction number, because it is equal to n+sod(n) for n = 231301230098 and 231301230107.
It is not an unprimeable number, because it can be changed into a prime (231301230131) 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 7 ways as a sum of consecutive naturals, for example, 209845 + ... + 711784.
Almost surely, 2231301230130 is an apocalyptic number.
231301230130 is a deficient number, since it is larger than the sum of its proper divisors (185058025190).
231301230130 is a wasteful number, since it uses less digits than its factorization.
231301230130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 946733.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 231301230130 its reverse (31032103132), we get a palindrome (262333333262).
The spelling of 231301230130 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty thousand, one hundred thirty".
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