Base | Representation |
---|---|
bin | 1111101010001… |
… | …10111110110111 |
3 | 100011011220210210 |
4 | 13311012332313 |
5 | 232112101433 |
6 | 21011320503 |
7 | 3153364521 |
oct | 765067667 |
9 | 304156723 |
10 | 131362743 |
11 | 68172856 |
12 | 37bb0133 |
13 | 212a4b45 |
14 | 13636a11 |
15 | b7ec463 |
hex | 7d46fb7 |
131362743 has 4 divisors (see below), whose sum is σ = 175150328. Its totient is φ = 87575160.
The previous prime is 131362711. The next prime is 131362753. The reversal of 131362743 is 347263131.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 131362743 - 25 = 131362711 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131362743.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131362753) 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, 21893788 + ... + 21893793.
It is an arithmetic number, because the mean of its divisors is an integer number (43787582).
Almost surely, 2131362743 is an apocalyptic number.
131362743 is a deficient number, since it is larger than the sum of its proper divisors (43787585).
131362743 is an equidigital number, since it uses as much as digits as its factorization.
131362743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43787584.
The product of its digits is 9072, while the sum is 30.
The square root of 131362743 is about 11461.3586890909. The cubic root of 131362743 is about 508.3436498727.
The spelling of 131362743 in words is "one hundred thirty-one million, three hundred sixty-two thousand, seven hundred forty-three".
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