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3989579023 = 17318773637
BaseRepresentation
bin1110110111001100…
…0010010100001111
3101022001002121120001
43231303002110033
531132313012043
61455514305131
7200602601503
oct35563022417
911261077501
103989579023
111768016851
129341281a7
134b7713361
1429bc00303
151853b774d
hexedcc250f

3989579023 has 8 divisors (see below), whose sum is σ = 4225642992. Its totient is φ = 3753668736.

The previous prime is 3989578993. The next prime is 3989579051. The reversal of 3989579023 is 3209759893.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3989579023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989579053) 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 7 ways as a sum of consecutive naturals, for example, 17361 + ... + 90997.

It is an arithmetic number, because the mean of its divisors is an integer number (528205374).

Almost surely, 23989579023 is an apocalyptic number.

3989579023 is a deficient number, since it is larger than the sum of its proper divisors (236063969).

3989579023 is a wasteful number, since it uses less digits than its factorization.

3989579023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76841.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The square root of 3989579023 is about 63163.1144181476. The cubic root of 3989579023 is about 1586.0213306156.

The spelling of 3989579023 in words is "three billion, nine hundred eighty-nine million, five hundred seventy-nine thousand, twenty-three".

Divisors: 1 17 3187 54179 73637 1251829 234681119 3989579023