Base | Representation |
---|---|
bin | 11101110101011000111010… |
… | …010111001010001010111101 |
3 | 122012120202200220200220210221 |
4 | 131311120322113022022331 |
5 | 114144240121342323201 |
6 | 1143022022154501341 |
7 | 36431525244101512 |
oct | 3565307227121275 |
9 | 565522626626727 |
10 | 131212230042301 |
11 | 388988811880a1 |
12 | 12871986434851 |
13 | 582a34c879cc5 |
14 | 24589c4aa7309 |
15 | 10281e7ce54a1 |
hex | 77563a5ca2bd |
131212230042301 has 4 divisors (see below), whose sum is σ = 131212258802172. Its totient is φ = 131212201282432.
The previous prime is 131212230042269. The next prime is 131212230042317. The reversal of 131212230042301 is 103240032212131.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 100136566594276 + 31075663448025 = 10006826^2 + 5574555^2 .
It is a cyclic number.
It is not a de Polignac number, because 131212230042301 - 25 = 131212230042269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131212230042001) 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, 5849710 + ... + 17223343.
It is an arithmetic number, because the mean of its divisors is an integer number (32803064700543).
Almost surely, 2131212230042301 is an apocalyptic number.
It is an amenable number.
131212230042301 is a deficient number, since it is larger than the sum of its proper divisors (28759871).
131212230042301 is an equidigital number, since it uses as much as digits as its factorization.
131212230042301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28759870.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 131212230042301 its reverse (103240032212131), we get a palindrome (234452262254432).
The spelling of 131212230042301 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred thirty million, forty-two thousand, three hundred one".
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