Base | Representation |
---|---|
bin | 1111101001110… |
… | …00011011001000 |
3 | 100011001220000020 |
4 | 13310320123020 |
5 | 232103144422 |
6 | 21010140440 |
7 | 3153025623 |
oct | 764703310 |
9 | 304056006 |
10 | 131303112 |
11 | 68131a76 |
12 | 37b81720 |
13 | 21283965 |
14 | 1361cdba |
15 | b7d995c |
hex | 7d386c8 |
131303112 has 16 divisors (see below), whose sum is σ = 328257840. Its totient is φ = 43767696.
The previous prime is 131303093. The next prime is 131303119. The reversal of 131303112 is 211303131.
It is a junction number, because it is equal to n+sod(n) for n = 131303091 and 131303100.
It is not an unprimeable number, because it can be changed into a prime (131303119) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735458 + ... + 2735505.
It is an arithmetic number, because the mean of its divisors is an integer number (20516115).
Almost surely, 2131303112 is an apocalyptic number.
131303112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131303112 is an abundant number, since it is smaller than the sum of its proper divisors (196954728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131303112 is a wasteful number, since it uses less digits than its factorization.
131303112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5470972 (or 5470968 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 131303112 is about 11458.7570006524. The cubic root of 131303112 is about 508.2667188053.
Adding to 131303112 its reverse (211303131), we get a palindrome (342606243).
The spelling of 131303112 in words is "one hundred thirty-one million, three hundred three thousand, one hundred twelve".
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