Base | Representation |
---|---|
bin | 1110011110000001… |
… | …1010000001010001 |
3 | 101000200111021101001 |
4 | 3213200122001101 |
5 | 30423303011311 |
6 | 1441224142001 |
7 | 165151504456 |
oct | 34740320121 |
9 | 11020437331 |
10 | 3884032081 |
11 | 1713486876 |
12 | 904907901 |
13 | 49b8a9b47 |
14 | 28bba782d |
15 | 17aeb94c1 |
hex | e781a051 |
3884032081 has 4 divisors (see below), whose sum is σ = 3884824372. Its totient is φ = 3883239792.
The previous prime is 3884031959. The next prime is 3884032091. The reversal of 3884032081 is 1802304883.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1802304883 = 229 ⋅7870327.
It can be written as a sum of positive squares in 2 ways, for example, as 1261670400 + 2622361681 = 35520^2 + 51209^2 .
It is a cyclic number.
It is not a de Polignac number, because 3884032081 - 213 = 3884023889 is a prime.
It is a super-2 number, since 2×38840320812 = 30171410412474381122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3884032081.
It is not an unprimeable number, because it can be changed into a prime (3884032091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388746 + ... + 398611.
It is an arithmetic number, because the mean of its divisors is an integer number (971206093).
Almost surely, 23884032081 is an apocalyptic number.
It is an amenable number.
3884032081 is a deficient number, since it is larger than the sum of its proper divisors (792291).
3884032081 is an equidigital number, since it uses as much as digits as its factorization.
3884032081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 792290.
The product of its (nonzero) digits is 36864, while the sum is 37.
The square root of 3884032081 is about 62322.0031850710. The cubic root of 3884032081 is about 1571.9097321464.
The spelling of 3884032081 in words is "three billion, eight hundred eighty-four million, thirty-two thousand, eighty-one".
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