Base | Representation |
---|---|
bin | 1111101010100… |
… | …11000001001011 |
3 | 100011021102102201 |
4 | 13311103001023 |
5 | 232120141133 |
6 | 21012341031 |
7 | 3153661330 |
oct | 765230113 |
9 | 304242381 |
10 | 131412043 |
11 | 681a68a4 |
12 | 38014777 |
13 | 212c1409 |
14 | 1364a987 |
15 | b80bd7d |
hex | 7d5304b |
131412043 has 4 divisors (see below), whose sum is σ = 150185200. Its totient is φ = 112638888.
The previous prime is 131412031. The next prime is 131412059. The reversal of 131412043 is 340214131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131412043 - 213 = 131403851 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 131412043.
It is not an unprimeable number, because it can be changed into a prime (131412143) 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, 9386568 + ... + 9386581.
It is an arithmetic number, because the mean of its divisors is an integer number (37546300).
Almost surely, 2131412043 is an apocalyptic number.
131412043 is a deficient number, since it is larger than the sum of its proper divisors (18773157).
131412043 is an equidigital number, since it uses as much as digits as its factorization.
131412043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18773156.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 131412043 is about 11463.5091922151. The cubic root of 131412043 is about 508.4072351453.
Adding to 131412043 its reverse (340214131), we get a palindrome (471626174).
The spelling of 131412043 in words is "one hundred thirty-one million, four hundred twelve thousand, forty-three".
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