Base | Representation |
---|---|
bin | 1111101101000… |
… | …10101011101011 |
3 | 100011220000001001 |
4 | 13312202223223 |
5 | 232211111342 |
6 | 21023335431 |
7 | 3156520546 |
oct | 766425353 |
9 | 304800031 |
10 | 131738347 |
11 | 683a9a74 |
12 | 38151577 |
13 | 213a6ab0 |
14 | 136d385d |
15 | b8738b7 |
hex | 7da2aeb |
131738347 has 12 divisors (see below), whose sum is σ = 143699584. Its totient is φ = 120057840.
The previous prime is 131738333. The next prime is 131738353. The reversal of 131738347 is 743837131.
It is a de Polignac number, because none of the positive numbers 2k-131738347 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131738317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88822 + ... + 90292.
Almost surely, 2131738347 is an apocalyptic number.
131738347 is a deficient number, since it is larger than the sum of its proper divisors (11961237).
131738347 is an equidigital number, since it uses as much as digits as its factorization.
131738347 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1650 (or 1567 counting only the distinct ones).
The product of its digits is 42336, while the sum is 37.
The square root of 131738347 is about 11477.7326593714. The cubic root of 131738347 is about 508.8276892387.
The spelling of 131738347 in words is "one hundred thirty-one million, seven hundred thirty-eight thousand, three hundred forty-seven".
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