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6839007857928 = 2332234129835663
BaseRepresentation
bin110001110000101010010…
…1000100100110100001000
3220012210200012211210022200
41203201110220210310020
51344022242002423203
622313444041120200
71304046663431421
oct143412450446410
926183605753280
106839007857928
1121a7452709164
12925541a89060
133a7bb99733bc
1419901ca5c648
15bcd71ad39a3
hex63854a24d08

6839007857928 has 48 divisors (see below), whose sum is σ = 19327630907520. Its totient is φ = 2180553229536.

The previous prime is 6839007857897. The next prime is 6839007858031. The reversal of 6839007857928 is 8297587009386.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2064916176 + ... + 2064919487.

It is an arithmetic number, because the mean of its divisors is an integer number (402658977240).

Almost surely, 26839007857928 is an apocalyptic number.

It is an amenable number.

6839007857928 is an abundant number, since it is smaller than the sum of its proper divisors (12488623049592).

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

6839007857928 is a wasteful number, since it uses less digits than its factorization.

6839007857928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129835698 (or 4129835691 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 72.

The spelling of 6839007857928 in words is "six trillion, eight hundred thirty-nine billion, seven million, eight hundred fifty-seven thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 138 184 207 276 414 552 828 1656 4129835663 8259671326 12389506989 16519342652 24779013978 33038685304 37168520967 49558027956 74337041934 94986220249 99116055912 148674083868 189972440498 284958660747 297348167736 379944880996 569917321494 759889761992 854875982241 1139834642988 1709751964482 2279669285976 3419503928964 6839007857928