Base | Representation |
---|---|
bin | 1111101001111… |
… | …11000000110111 |
3 | 100011010021000220 |
4 | 13310333000313 |
5 | 232110030403 |
6 | 21010505423 |
7 | 3153200412 |
oct | 764770067 |
9 | 304107026 |
10 | 131330103 |
11 | 68150283 |
12 | 37b95273 |
13 | 21293028 |
14 | 13628b79 |
15 | b7e2953 |
hex | 7d3f037 |
131330103 has 8 divisors (see below), whose sum is σ = 175526400. Its totient is φ = 87343608.
The previous prime is 131330099. The next prime is 131330113. The reversal of 131330103 is 301033131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131330103 - 22 = 131330099 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131330113) 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 7 ways as a sum of consecutive naturals, for example, 50983 + ... + 53496.
It is an arithmetic number, because the mean of its divisors is an integer number (21940800).
Almost surely, 2131330103 is an apocalyptic number.
131330103 is a deficient number, since it is larger than the sum of its proper divisors (44196297).
131330103 is a wasteful number, since it uses less digits than its factorization.
131330103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104901.
The product of its (nonzero) digits is 81, while the sum is 15.
The square root of 131330103 is about 11459.9346856778. The cubic root of 131330103 is about 508.3015432835.
Adding to 131330103 its reverse (301033131), we get a palindrome (432363234).
The spelling of 131330103 in words is "one hundred thirty-one million, three hundred thirty thousand, one hundred three".
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