Base | Representation |
---|---|
bin | 111101001111110100… |
… | …0111101110011101001 |
3 | 110120111100212220120011 |
4 | 1322133220331303221 |
5 | 4123331444211040 |
6 | 140231155131521 |
7 | 12334240621333 |
oct | 1723750756351 |
9 | 416440786504 |
10 | 131527335145 |
11 | 5086482a688 |
12 | 215a82a3ba1 |
13 | c531447b3b |
14 | 651a286453 |
15 | 364beac3ea |
hex | 1e9fa3dce9 |
131527335145 has 8 divisors (see below), whose sum is σ = 158178172104. Its totient is φ = 104991621504.
The previous prime is 131527335109. The next prime is 131527335229. The reversal of 131527335145 is 541533725131.
It can be written as a sum of positive squares in 4 ways, for example, as 4643195881 + 126884139264 = 68141^2 + 356208^2 .
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 131527335145 - 227 = 131393117417 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131527335098 and 131527335107.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28778314 + ... + 28782883.
It is an arithmetic number, because the mean of its divisors is an integer number (19772271513).
Almost surely, 2131527335145 is an apocalyptic number.
It is an amenable number.
131527335145 is a deficient number, since it is larger than the sum of its proper divisors (26650836959).
131527335145 is an equidigital number, since it uses as much as digits as its factorization.
131527335145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57561659.
The product of its digits is 189000, while the sum is 40.
The spelling of 131527335145 in words is "one hundred thirty-one billion, five hundred twenty-seven million, three hundred thirty-five thousand, one hundred forty-five".
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