Base | Representation |
---|---|
bin | 11101110101001110101001… |
… | …000011101101100000000111 |
3 | 122012112201020101002020102122 |
4 | 131311032221003231200013 |
5 | 114144100030243010343 |
6 | 1143013000020200155 |
7 | 36430655046666050 |
oct | 3565165103554007 |
9 | 565481211066378 |
10 | 131201202313223 |
11 | 38894132330009 |
12 | 1286b80923905b |
13 | 58292b2c94223 |
14 | 245825a259727 |
15 | 1027c9eaca068 |
hex | 7753a90ed807 |
131201202313223 has 4 divisors (see below), whose sum is σ = 149944231215120. Its totient is φ = 112458173411328.
The previous prime is 131201202313201. The next prime is 131201202313229. The reversal of 131201202313223 is 322313202102131.
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 131201202313223 - 210 = 131201202312199 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131201202313192 and 131201202313201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131201202313229) 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, 9371514450938 + ... + 9371514450951.
It is an arithmetic number, because the mean of its divisors is an integer number (37486057803780).
Almost surely, 2131201202313223 is an apocalyptic number.
131201202313223 is a deficient number, since it is larger than the sum of its proper divisors (18743028901897).
131201202313223 is an equidigital number, since it uses as much as digits as its factorization.
131201202313223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18743028901896.
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 131201202313223 its reverse (322313202102131), we get a palindrome (453514404415354).
The spelling of 131201202313223 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred two million, three hundred thirteen thousand, two hundred twenty-three".
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