Base | Representation |
---|---|
bin | 111101001011010100… |
… | …0000110111010010011 |
3 | 110120002211100010222220 |
4 | 1322112220012322103 |
5 | 4123024241142342 |
6 | 140204154032123 |
7 | 12330423361311 |
oct | 1722650067223 |
9 | 416084303886 |
10 | 131376115347 |
11 | 50797434a44 |
12 | 21565718643 |
13 | c50900c979 |
14 | 65041610b1 |
15 | 363da8b5ec |
hex | 1e96a06e93 |
131376115347 has 4 divisors (see below), whose sum is σ = 175168153800. Its totient is φ = 87584076896.
The previous prime is 131376115319. The next prime is 131376115361. The reversal of 131376115347 is 743511673131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743511673131 = 3 ⋅247837224377.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131376115347 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131376115299 and 131376115308.
It is not an unprimeable number, because it can be changed into a prime (131376115307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21896019222 + ... + 21896019227.
It is an arithmetic number, because the mean of its divisors is an integer number (43792038450).
Almost surely, 2131376115347 is an apocalyptic number.
131376115347 is a deficient number, since it is larger than the sum of its proper divisors (43792038453).
131376115347 is an equidigital number, since it uses as much as digits as its factorization.
131376115347 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43792038452.
The product of its digits is 158760, while the sum is 42.
Adding to 131376115347 its reverse (743511673131), we get a palindrome (874887788478).
The spelling of 131376115347 in words is "one hundred thirty-one billion, three hundred seventy-six million, one hundred fifteen thousand, three hundred forty-seven".
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