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4878719993 = 717155326399
BaseRepresentation
bin1001000101100101…
…10101101111111001
3110121000011122200002
410202302311233321
534442423014433
62124035522345
7231620302310
oct44262655771
913530148602
104878719993
112083a015a4
12b41a593b5
135c99a7184
14343d31277
151d849b9e8
hex122cb5bf9

4878719993 has 16 divisors (see below), whose sum is σ = 5907686400. Its totient is φ = 3933090816.

The previous prime is 4878719933. The next prime is 4878719999. The reversal of 4878719993 is 3999178784.

It is a cyclic number.

It is not a de Polignac number, because 4878719993 - 216 = 4878654457 is a prime.

It is a super-4 number, since 4×48787199934 (a number of 40 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (4878719999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171608 + ... + 198006.

It is an arithmetic number, because the mean of its divisors is an integer number (369230400).

Almost surely, 24878719993 is an apocalyptic number.

It is an amenable number.

4878719993 is a deficient number, since it is larger than the sum of its proper divisors (1028966407).

4878719993 is a wasteful number, since it uses less digits than its factorization.

4878719993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27976.

The product of its digits is 27433728, while the sum is 65.

The square root of 4878719993 is about 69847.8345619963. The cubic root of 4878719993 is about 1696.0369035715.

The spelling of 4878719993 in words is "four billion, eight hundred seventy-eight million, seven hundred nineteen thousand, nine hundred ninety-three".

Divisors: 1 7 17 119 1553 10871 26399 26401 184793 184807 448783 3141481 40997647 286983529 696959999 4878719993