Base | Representation |
---|---|
bin | 1110010101101000… |
… | …0001110110110001 |
3 | 100221020012121000022 |
4 | 3211122001312301 |
5 | 30340243241214 |
6 | 1433525133225 |
7 | 164243211122 |
oct | 34532016661 |
9 | 10836177008 |
10 | 3848805809 |
11 | 16a5606852 |
12 | 8b4b5a215 |
13 | 4944c50b4 |
14 | 287238049 |
15 | 177d5bd8e |
hex | e5681db1 |
3848805809 has 4 divisors (see below), whose sum is σ = 4016145216. Its totient is φ = 3681466404.
The previous prime is 3848805787. The next prime is 3848805817. The reversal of 3848805809 is 9085088483.
3848805809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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: 9085088483 = 107 ⋅84907369.
It is a cyclic number.
It is not a de Polignac number, because 3848805809 - 220 = 3847757233 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3848805869) 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, 83669669 + ... + 83669714.
It is an arithmetic number, because the mean of its divisors is an integer number (1004036304).
Almost surely, 23848805809 is an apocalyptic number.
It is an amenable number.
3848805809 is a deficient number, since it is larger than the sum of its proper divisors (167339407).
3848805809 is a wasteful number, since it uses less digits than its factorization.
3848805809 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167339406.
The product of its (nonzero) digits is 2211840, while the sum is 53.
The square root of 3848805809 is about 62038.7444183069. The cubic root of 3848805809 is about 1567.1431418447.
The spelling of 3848805809 in words is "three billion, eight hundred forty-eight million, eight hundred five thousand, eight hundred nine".
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