Base | Representation |
---|---|
bin | 111101000111011010… |
… | …1100101101110111111 |
3 | 110112202201102201210102 |
4 | 1322032311211232333 |
5 | 4122242312303433 |
6 | 140143205031315 |
7 | 12324245522456 |
oct | 1721665455677 |
9 | 415681381712 |
10 | 131245431743 |
11 | 5072a696468 |
12 | 215299b553b |
13 | c4b7c14caa |
14 | 64d0a63b9d |
15 | 36323754e8 |
hex | 1e8ed65bbf |
131245431743 has 8 divisors (see below), whose sum is σ = 131563238400. Its totient is φ = 130927711608.
The previous prime is 131245431703. The next prime is 131245431767. The reversal of 131245431743 is 347134542131.
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 131245431743 - 26 = 131245431679 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131245431697 and 131245431706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131245431703) 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, 3838718 + ... + 3872756.
It is an arithmetic number, because the mean of its divisors is an integer number (16445404800).
Almost surely, 2131245431743 is an apocalyptic number.
131245431743 is a deficient number, since it is larger than the sum of its proper divisors (317806657).
131245431743 is an equidigital number, since it uses as much as digits as its factorization.
131245431743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43261.
The product of its digits is 120960, while the sum is 38.
Adding to 131245431743 its reverse (347134542131), we get a palindrome (478379973874).
The spelling of 131245431743 in words is "one hundred thirty-one billion, two hundred forty-five million, four hundred thirty-one thousand, seven hundred forty-three".
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