Base | Representation |
---|---|
bin | 1011010010101111… |
… | …1101101000110111 |
3 | 21211021011021100001 |
4 | 2310223331220313 |
5 | 22202021023133 |
6 | 1220445532131 |
7 | 135056450341 |
oct | 26453755067 |
9 | 7737137301 |
10 | 3031423543 |
11 | 1316183415 |
12 | 707274047 |
13 | 394067455 |
14 | 20a866291 |
15 | 12b1ee87d |
hex | b4afda37 |
3031423543 has 4 divisors (see below), whose sum is σ = 3037648720. Its totient is φ = 3025198368.
The previous prime is 3031423537. The next prime is 3031423553. The reversal of 3031423543 is 3453241303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3453241303 = 389 ⋅8877227.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3031423543 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 (3031423553) 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, 3111858 + ... + 3112831.
It is an arithmetic number, because the mean of its divisors is an integer number (759412180).
Almost surely, 23031423543 is an apocalyptic number.
3031423543 is a deficient number, since it is larger than the sum of its proper divisors (6225177).
3031423543 is an equidigital number, since it uses as much as digits as its factorization.
3031423543 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6225176.
The product of its (nonzero) digits is 12960, while the sum is 28.
The square root of 3031423543 is about 55058.3648776460. The cubic root of 3031423543 is about 1447.2677112803.
Adding to 3031423543 its reverse (3453241303), we get a palindrome (6484664846).
The spelling of 3031423543 in words is "three billion, thirty-one million, four hundred twenty-three thousand, five hundred forty-three".
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