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5539847987868 = 223461653998989
BaseRepresentation
bin101000010011101100010…
…1010111110001010011100
3201121121022112100100201020
41100213120222332022130
51211231102041102433
615440545424244140
71111145411642325
oct120473052761234
921547275310636
105539847987868
111846488847037
127557aba70650
1331253693c88c
141521b6cc744c
1599186810cb3
hex509d8abe29c

5539847987868 has 12 divisors (see below), whose sum is σ = 12926311971720. Its totient is φ = 1846615995952.

The previous prime is 5539847987837. The next prime is 5539847987953. The reversal of 5539847987868 is 8687897489355.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×55398479878683 (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230826999483 + ... + 230826999506.

It is an arithmetic number, because the mean of its divisors is an integer number (1077192664310).

Almost surely, 25539847987868 is an apocalyptic number.

It is an amenable number.

5539847987868 is an abundant number, since it is smaller than the sum of its proper divisors (7386463983852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5539847987868 is a wasteful number, since it uses less digits than its factorization.

5539847987868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461653998996 (or 461653998994 counting only the distinct ones).

The product of its digits is 29262643200, while the sum is 87.

The spelling of 5539847987868 in words is "five trillion, five hundred thirty-nine billion, eight hundred forty-seven million, nine hundred eighty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 461653998989 923307997978 1384961996967 1846615995956 2769923993934 5539847987868