Base | Representation |
---|---|
bin | 11101110010011110101001… |
… | …000001101110000111101011 |
3 | 122011212122110002121011012111 |
4 | 131302132221001232013223 |
5 | 114133001013121333233 |
6 | 1142350103502423151 |
7 | 36411215011204042 |
oct | 3562365101560753 |
9 | 564778402534174 |
10 | 131012223230443 |
11 | 38820a76594065 |
12 | 1283b068591ab7 |
13 | 5814527014459 |
14 | 244d04db31559 |
15 | 1022ddde77acd |
hex | 7727a906e1eb |
131012223230443 has 16 divisors (see below), whose sum is σ = 131283691494912. Its totient is φ = 130741001424000.
The previous prime is 131012223230417. The next prime is 131012223230459. The reversal of 131012223230443 is 344032322210131.
It is a cyclic number.
It is not a de Polignac number, because 131012223230443 - 241 = 128813199974891 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131012223230543) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13380877878 + ... + 13380887668.
It is an arithmetic number, because the mean of its divisors is an integer number (8205230718432).
Almost surely, 2131012223230443 is an apocalyptic number.
131012223230443 is a deficient number, since it is larger than the sum of its proper divisors (271468264469).
131012223230443 is an equidigital number, since it uses as much as digits as its factorization.
131012223230443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19686.
The product of its (nonzero) digits is 20736, while the sum is 31.
Adding to 131012223230443 its reverse (344032322210131), we get a palindrome (475044545440574).
The spelling of 131012223230443 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-three million, two hundred thirty thousand, four hundred forty-three".
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