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828005808028 = 22785734505993
BaseRepresentation
bin11000000110010001111…
…11011111011110011100
32221011020011000012020211
430003020333133132130
5102031223441324103
61432214114022204
7113551520146060
oct14031077373634
92834204005224
10828005808028
1129a178768893
12114581577964
136010814bc09
142c10b9c7aa0
1516811d0436d
hexc0c8fdf79c

828005808028 has 24 divisors (see below), whose sum is σ = 1657943999712. Its totient is φ = 354445549824.

The previous prime is 828005808023. The next prime is 828005808059. The reversal of 828005808028 is 820808500828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828005808023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17229001 + ... + 17276992.

It is an arithmetic number, because the mean of its divisors is an integer number (69080999988).

Almost surely, 2828005808028 is an apocalyptic number.

It is an amenable number.

828005808028 is an abundant number, since it is smaller than the sum of its proper divisors (829938191684).

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

828005808028 is a wasteful number, since it uses less digits than its factorization.

828005808028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34506861 (or 34506859 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 49.

The spelling of 828005808028 in words is "eight hundred twenty-eight billion, five million, eight hundred eight thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 857 1714 3428 5999 11998 23996 34505993 69011986 138023972 241541951 483083902 966167804 29571636001 59143272002 118286544004 207001452007 414002904014 828005808028