Base | Representation |
---|---|
bin | 1111100101011… |
… | …00111011011111 |
3 | 100002222212020102 |
4 | 13302230323133 |
5 | 231431403433 |
6 | 20550011315 |
7 | 3145126052 |
oct | 762547337 |
9 | 302885212 |
10 | 130731743 |
11 | 6788176a |
12 | 37946b3b |
13 | 2111387c |
14 | 13510a99 |
15 | b7254e8 |
hex | 7cacedf |
130731743 has 8 divisors (see below), whose sum is σ = 135561216. Its totient is φ = 125940600.
The previous prime is 130731737. The next prime is 130731773. The reversal of 130731743 is 347137031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130731743 - 212 = 130727647 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 (130731773) 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 7 ways as a sum of consecutive naturals, for example, 2543 + ... + 16368.
It is an arithmetic number, because the mean of its divisors is an integer number (16945152).
Almost surely, 2130731743 is an apocalyptic number.
130731743 is a deficient number, since it is larger than the sum of its proper divisors (4829473).
130731743 is a wasteful number, since it uses less digits than its factorization.
130731743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19165.
The product of its (nonzero) digits is 5292, while the sum is 29.
The square root of 130731743 is about 11433.7982752889. The cubic root of 130731743 is about 507.5284014293.
Adding to 130731743 its reverse (347137031), we get a palindrome (477868774).
The spelling of 130731743 in words is "one hundred thirty million, seven hundred thirty-one thousand, seven hundred forty-three".
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