Base | Representation |
---|---|
bin | 111101000110111101… |
… | …0110011100101111011 |
3 | 110112201122102211121121 |
4 | 1322031322303211323 |
5 | 4122224341201021 |
6 | 140141454450111 |
7 | 12324000532234 |
oct | 1721572634573 |
9 | 415648384547 |
10 | 131230022011 |
11 | 50721a20950 |
12 | 21524803937 |
13 | c4b497acca |
14 | 64cc9b208b |
15 | 3630d2e741 |
hex | 1e8deb397b |
131230022011 has 8 divisors (see below), whose sum is σ = 146489327424. Its totient is φ = 116525600520.
The previous prime is 131230021991. The next prime is 131230022051. The reversal of 131230022011 is 110220032131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131230022011 - 231 = 129082538363 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131230022051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138720481 + ... + 138721426.
It is an arithmetic number, because the mean of its divisors is an integer number (18311165928).
Almost surely, 2131230022011 is an apocalyptic number.
131230022011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
131230022011 is a deficient number, since it is larger than the sum of its proper divisors (15259305413).
131230022011 is a wasteful number, since it uses less digits than its factorization.
131230022011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277441961.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 131230022011 its reverse (110220032131), we get a palindrome (241450054142).
The spelling of 131230022011 in words is "one hundred thirty-one billion, two hundred thirty million, twenty-two thousand, eleven".
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