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2384061681 = 3794687227
BaseRepresentation
bin1000111000011001…
…1110010011110001
320011011000212210210
42032012132103301
514340304433211
61032322414333
7113036122101
oct21606362361
96134025723
102384061681
111013816911
125665013a9
132bcbc81b1
141888b1201
15de4789a6
hex8e19e4f1

2384061681 has 4 divisors (see below), whose sum is σ = 3178748912. Its totient is φ = 1589374452.

The previous prime is 2384061661. The next prime is 2384061703. The reversal of 2384061681 is 1861604832.

2384061681 is digitally balanced in base 2 and base 4, because in such bases 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.

It is not a de Polignac number, because 2384061681 - 25 = 2384061649 is a prime.

It is a super-2 number, since 2×23840616812 = 11367500197625091522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2384061661) 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, 397343611 + ... + 397343616.

It is an arithmetic number, because the mean of its divisors is an integer number (794687228).

Almost surely, 22384061681 is an apocalyptic number.

It is an amenable number.

2384061681 is a deficient number, since it is larger than the sum of its proper divisors (794687231).

2384061681 is an equidigital number, since it uses as much as digits as its factorization.

2384061681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794687230.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 2384061681 is about 48826.8540969004. The cubic root of 2384061681 is about 1335.8955272941.

The spelling of 2384061681 in words is "two billion, three hundred eighty-four million, sixty-one thousand, six hundred eighty-one".

Divisors: 1 3 794687227 2384061681