Base | Representation |
---|---|
bin | 11101110101001110110111… |
… | …011101101100000011001011 |
3 | 122012112201212012212101220111 |
4 | 131311032313131230003023 |
5 | 114144101024131112133 |
6 | 1143013040012335151 |
7 | 36430664043223030 |
oct | 3565166735540313 |
9 | 565481765771814 |
10 | 131201444004043 |
11 | 388942467a8996 |
12 | 1286b8761744b7 |
13 | 582932108784a |
14 | 24582803b1387 |
15 | 1027cb5e1c1cd |
hex | 7753b776c0cb |
131201444004043 has 4 divisors (see below), whose sum is σ = 149944507433200. Its totient is φ = 112458380574888.
The previous prime is 131201444004013. The next prime is 131201444004049. The reversal of 131201444004043 is 340400444102131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131201444004043 - 221 = 131201441906891 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131201444003996 and 131201444004014.
It is not an unprimeable number, because it can be changed into a prime (131201444004049) 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, 9371531714568 + ... + 9371531714581.
It is an arithmetic number, because the mean of its divisors is an integer number (37486126858300).
Almost surely, 2131201444004043 is an apocalyptic number.
131201444004043 is a deficient number, since it is larger than the sum of its proper divisors (18743063429157).
131201444004043 is an equidigital number, since it uses as much as digits as its factorization.
131201444004043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18743063429156.
The product of its (nonzero) digits is 18432, while the sum is 31.
Adding to 131201444004043 its reverse (340400444102131), we get a palindrome (471601888106174).
The spelling of 131201444004043 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred forty-four million, four thousand, forty-three".
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