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2382493681 = 23471015123
BaseRepresentation
bin1000111000000001…
…1111011111110001
320011001002012220201
42032000133133301
514334404244211
61032225035201
7113016601501
oct21600373761
96131065821
102382493681
111012945847
12565a85b01
132bc799599
141885c3a01
15de2690c1
hex8e01f7f1

2382493681 has 4 divisors (see below), whose sum is σ = 2383511152. Its totient is φ = 2381476212.

The previous prime is 2382493667. The next prime is 2382493741. The reversal of 2382493681 is 1863942832.

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 a cyclic number.

It is not a de Polignac number, because 2382493681 - 25 = 2382493649 is a prime.

It is a super-2 number, since 2×23824936812 = 11352552280009859522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2382493601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505215 + ... + 509908.

It is an arithmetic number, because the mean of its divisors is an integer number (595877788).

Almost surely, 22382493681 is an apocalyptic number.

It is an amenable number.

2382493681 is a deficient number, since it is larger than the sum of its proper divisors (1017471).

2382493681 is a wasteful number, since it uses less digits than its factorization.

2382493681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017470.

The product of its digits is 497664, while the sum is 46.

The square root of 2382493681 is about 48810.7947179720. The cubic root of 2382493681 is about 1335.6025897419.

The spelling of 2382493681 in words is "two billion, three hundred eighty-two million, four hundred ninety-three thousand, six hundred eighty-one".

Divisors: 1 2347 1015123 2382493681