Base | Representation |
---|---|
bin | 1011101000001100… |
… | …1111101110110001 |
3 | 22001112111012201102 |
4 | 2322003033232301 |
5 | 22343040204131 |
6 | 1233422414145 |
7 | 140231400365 |
oct | 27203175661 |
9 | 8045435642 |
10 | 3121413041 |
11 | 1361a578aa |
12 | 731431355 |
13 | 3a98b4686 |
14 | 2187ad2a5 |
15 | 1340781cb |
hex | ba0cfbb1 |
3121413041 has 4 divisors (see below), whose sum is σ = 3125330292. Its totient is φ = 3117495792.
The previous prime is 3121413019. The next prime is 3121413077. The reversal of 3121413041 is 1403141213.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1403141213 = 43 ⋅32631191.
It can be written as a sum of positive squares in 2 ways, for example, as 2574040225 + 547372816 = 50735^2 + 23396^2 .
It is a cyclic number.
It is not a de Polignac number, because 3121413041 - 26 = 3121412977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3121413341) 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, 1957430 + ... + 1959023.
It is an arithmetic number, because the mean of its divisors is an integer number (781332573).
Almost surely, 23121413041 is an apocalyptic number.
It is an amenable number.
3121413041 is a deficient number, since it is larger than the sum of its proper divisors (3917251).
3121413041 is an equidigital number, since it uses as much as digits as its factorization.
3121413041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3917250.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 3121413041 is about 55869.6074892244. The cubic root of 3121413041 is about 1461.4492772540.
Adding to 3121413041 its reverse (1403141213), we get a palindrome (4524554254).
The spelling of 3121413041 in words is "three billion, one hundred twenty-one million, four hundred thirteen thousand, forty-one".
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