Base | Representation |
---|---|
bin | 1111101001111… |
… | …10111111010011 |
3 | 100011010020220012 |
4 | 13310332333103 |
5 | 232110030003 |
6 | 21010505135 |
7 | 3153200210 |
oct | 764767723 |
9 | 304106805 |
10 | 131330003 |
11 | 681501a2 |
12 | 37b951ab |
13 | 21292c7c |
14 | 13628b07 |
15 | b7e28d8 |
hex | 7d3efd3 |
131330003 has 8 divisors (see below), whose sum is σ = 150330720. Its totient is φ = 112389120.
The previous prime is 131329999. The next prime is 131330021. The reversal of 131330003 is 300033131.
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 131330003 - 22 = 131329999 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 131330003.
It is not an unprimeable number, because it can be changed into a prime (131330053) 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, 10148 + ... + 19121.
It is an arithmetic number, because the mean of its divisors is an integer number (18791340).
Almost surely, 2131330003 is an apocalyptic number.
131330003 is a deficient number, since it is larger than the sum of its proper divisors (19000717).
131330003 is an equidigital number, since it uses as much as digits as its factorization.
131330003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29917.
The product of its (nonzero) digits is 81, while the sum is 14.
The square root of 131330003 is about 11459.9303226503. The cubic root of 131330003 is about 508.3014142698.
Adding to 131330003 its reverse (300033131), we get a palindrome (431363134).
The spelling of 131330003 in words is "one hundred thirty-one million, three hundred thirty thousand, three".
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