Base | Representation |
---|---|
bin | 11101110101100010010010… |
… | …110101001001000000010011 |
3 | 122012121201201000001202022022 |
4 | 131311202102311021000103 |
5 | 114144421234340401233 |
6 | 1143030405551402055 |
7 | 36432333012225365 |
oct | 3565422265110023 |
9 | 565551630052268 |
10 | 131222304231443 |
11 | 388a2080864547 |
12 | 1287391822332b |
13 | 582b296a41979 |
14 | 245929ca1cd35 |
15 | 10285d745a398 |
hex | 775892d49013 |
131222304231443 has 8 divisors (see below), whose sum is σ = 135457561512960. Its totient is φ = 126987189432840.
The previous prime is 131222304231433. The next prime is 131222304231503. The reversal of 131222304231443 is 344132403222131.
It is a happy number.
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 131222304231443 - 212 = 131222304227347 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131222304231433) 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, 33747503 + ... + 37434456.
It is an arithmetic number, because the mean of its divisors is an integer number (16932195189120).
Almost surely, 2131222304231443 is an apocalyptic number.
131222304231443 is a deficient number, since it is larger than the sum of its proper divisors (4235257281517).
131222304231443 is an equidigital number, since it uses as much as digits as its factorization.
131222304231443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71241457.
The product of its (nonzero) digits is 82944, while the sum is 35.
Adding to 131222304231443 its reverse (344132403222131), we get a palindrome (475354707453574).
The spelling of 131222304231443 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, three hundred four million, two hundred thirty-one thousand, four hundred forty-three".
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