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4975665793 = 71937411021
BaseRepresentation
bin1001010001001001…
…01010001010000001
3110211202121000022021
410220210222022001
540142232301133
62141421441441
7234205314160
oct45044521201
913752530267
104975665793
1121236a739a
12b6a410281
13613abb757
14352b693d7
151e1c4b52d
hex12892a281

4975665793 has 8 divisors (see below), whose sum is σ = 5985763520. Its totient is φ = 4040390160.

The previous prime is 4975665787. The next prime is 4975665803. The reversal of 4975665793 is 3975665794.

4975665793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4975665793 - 229 = 4438794881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4975665733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18705378 + ... + 18705643.

It is an arithmetic number, because the mean of its divisors is an integer number (748220440).

Almost surely, 24975665793 is an apocalyptic number.

It is an amenable number.

4975665793 is a deficient number, since it is larger than the sum of its proper divisors (1010097727).

4975665793 is a wasteful number, since it uses less digits than its factorization.

4975665793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37411047.

The product of its digits is 42865200, while the sum is 61.

The square root of 4975665793 is about 70538.3994218752. The cubic root of 4975665793 is about 1707.1973735881.

Subtracting from 4975665793 its reverse (3975665794), we obtain a palindrome (999999999).

The spelling of 4975665793 in words is "four billion, nine hundred seventy-five million, six hundred sixty-five thousand, seven hundred ninety-three".

Divisors: 1 7 19 133 37411021 261877147 710809399 4975665793