Base | Representation |
---|---|
bin | 1111101011100… |
… | …01010010101011 |
3 | 100011111201112022 |
4 | 13311301102223 |
5 | 232133123133 |
6 | 21015135055 |
7 | 3155016002 |
oct | 765612253 |
9 | 304451468 |
10 | 131536043 |
11 | 68280a81 |
12 | 3807448b |
13 | 213359a2 |
14 | 1367dc39 |
15 | b833998 |
hex | 7d714ab |
131536043 has 4 divisors (see below), whose sum is σ = 131644128. Its totient is φ = 131427960.
The previous prime is 131536019. The next prime is 131536051. The reversal of 131536043 is 340635131.
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 131536043 - 26 = 131535979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131506043) 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, 52196 + ... + 54657.
It is an arithmetic number, because the mean of its divisors is an integer number (32911032).
Almost surely, 2131536043 is an apocalyptic number.
131536043 is a deficient number, since it is larger than the sum of its proper divisors (108085).
131536043 is a wasteful number, since it uses less digits than its factorization.
131536043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108084.
The product of its (nonzero) digits is 3240, while the sum is 26.
The square root of 131536043 is about 11468.9163829893. The cubic root of 131536043 is about 508.5670953763.
The spelling of 131536043 in words is "one hundred thirty-one million, five hundred thirty-six thousand, forty-three".
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