Base | Representation |
---|---|
bin | 111101000011110010… |
… | …0111101001111000011 |
3 | 110112110020020121122101 |
4 | 1322013210331033003 |
5 | 4122020122143133 |
6 | 140123134251231 |
7 | 12321236321416 |
oct | 1720744751703 |
9 | 415406217571 |
10 | 131123631043 |
11 | 50677964829 |
12 | 214b5056b17 |
13 | c49890a582 |
14 | 64bc7d9b7d |
15 | 362681637d |
hex | 1e8793d3c3 |
131123631043 has 8 divisors (see below), whose sum is σ = 131238654048. Its totient is φ = 131008663104.
The previous prime is 131123631031. The next prime is 131123631049. The reversal of 131123631043 is 340136321131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131123631043 - 25 = 131123631011 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131123631049) 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, 5758146 + ... + 5780872.
It is an arithmetic number, because the mean of its divisors is an integer number (16404831756).
Almost surely, 2131123631043 is an apocalyptic number.
131123631043 is a deficient number, since it is larger than the sum of its proper divisors (115023005).
131123631043 is a wasteful number, since it uses less digits than its factorization.
131123631043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27533.
The product of its (nonzero) digits is 3888, while the sum is 28.
Adding to 131123631043 its reverse (340136321131), we get a palindrome (471259952174).
The spelling of 131123631043 in words is "one hundred thirty-one billion, one hundred twenty-three million, six hundred thirty-one thousand, forty-three".
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