Base | Representation |
---|---|
bin | 1111101001110… |
… | …00011001100101 |
3 | 100011001212212120 |
4 | 13310320121211 |
5 | 232103144023 |
6 | 21010140153 |
7 | 3153025422 |
oct | 764703145 |
9 | 304055776 |
10 | 131303013 |
11 | 68131996 |
12 | 37b81659 |
13 | 212838ba |
14 | 1361cd49 |
15 | b7d98e3 |
hex | 7d38665 |
131303013 has 8 divisors (see below), whose sum is σ = 175737408. Its totient is φ = 87201984.
The previous prime is 131302999. The next prime is 131303027. The reversal of 131303013 is 310303131.
It is an interprime number because it is at equal distance from previous prime (131302999) and next prime (131303027).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131303013 - 28 = 131302757 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131302983 and 131303001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131303063) 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, 82420 + ... + 83997.
It is an arithmetic number, because the mean of its divisors is an integer number (21967176).
Almost surely, 2131303013 is an apocalyptic number.
It is an amenable number.
131303013 is a deficient number, since it is larger than the sum of its proper divisors (44434395).
131303013 is a wasteful number, since it uses less digits than its factorization.
131303013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166683.
The product of its (nonzero) digits is 81, while the sum is 15.
The square root of 131303013 is about 11458.7526808113. The cubic root of 131303013 is about 508.2665910642.
Adding to 131303013 its reverse (310303131), we get a palindrome (441606144).
The spelling of 131303013 in words is "one hundred thirty-one million, three hundred three thousand, thirteen".
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