Base | Representation |
---|---|
bin | 1011101010010100… |
… | …1111010111000101 |
3 | 22002011020221211112 |
4 | 2322211033113011 |
5 | 22402330340141 |
6 | 1234341414405 |
7 | 140400214160 |
oct | 27245172705 |
9 | 8064227745 |
10 | 3130324421 |
11 | 1366a94084 |
12 | 73440a405 |
13 | 3ab6b4893 |
14 | 219a4cad7 |
15 | 134c387eb |
hex | ba94f5c5 |
3130324421 has 4 divisors (see below), whose sum is σ = 3577513632. Its totient is φ = 2683135212.
The previous prime is 3130324381. The next prime is 3130324429. The reversal of 3130324421 is 1244230313.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1244230313 = 109 ⋅11414957.
It is a cyclic number.
It is not a de Polignac number, because 3130324421 - 214 = 3130308037 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3130324429) 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, 223594595 + ... + 223594608.
It is an arithmetic number, because the mean of its divisors is an integer number (894378408).
Almost surely, 23130324421 is an apocalyptic number.
It is an amenable number.
3130324421 is a deficient number, since it is larger than the sum of its proper divisors (447189211).
3130324421 is an equidigital number, since it uses as much as digits as its factorization.
3130324421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 447189210.
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 3130324421 is about 55949.3022387232. The cubic root of 3130324421 is about 1462.8387287197.
Adding to 3130324421 its reverse (1244230313), we get a palindrome (4374554734).
The spelling of 3130324421 in words is "three billion, one hundred thirty million, three hundred twenty-four thousand, four hundred twenty-one".
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