Base | Representation |
---|---|
bin | 11101110101100010010011… |
… | …110010110100011010010111 |
3 | 122012121201202010111012102121 |
4 | 131311202103302310122113 |
5 | 114144421303010300043 |
6 | 1143030411330120411 |
7 | 36432333266526166 |
oct | 3565422362643227 |
9 | 565551663435377 |
10 | 131222320400023 |
11 | 388a20899a8206 |
12 | 12873921720107 |
13 | 582b29a1b3188 |
14 | 24592a0c2b3dd |
15 | 10285d8aa0ded |
hex | 775893cb4697 |
131222320400023 has 8 divisors (see below), whose sum is σ = 131542633535040. Its totient is φ = 130902380375520.
The previous prime is 131222320399999. The next prime is 131222320400077. The reversal of 131222320400023 is 320004023222131.
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 131222320400023 - 233 = 131213730465431 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131222320400623) 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, 92573368 + ... + 93980173.
It is an arithmetic number, because the mean of its divisors is an integer number (16442829191880).
Almost surely, 2131222320400023 is an apocalyptic number.
131222320400023 is a deficient number, since it is larger than the sum of its proper divisors (320313135017).
131222320400023 is a wasteful number, since it uses less digits than its factorization.
131222320400023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186555257.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 131222320400023 its reverse (320004023222131), we get a palindrome (451226343622154).
The spelling of 131222320400023 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, three hundred twenty million, four hundred thousand, twenty-three".
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