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8005328028 = 2232317173233
BaseRepresentation
bin1110111010010011…
…11001110010011100
3202122220102210120200
413131021321302130
5112343330444103
63402205543500
7402244110525
oct73511716234
922586383520
108005328028
113438887485
121674b74b90
139a768a2b9
1455d29384c
1531cbee0a3
hex1dd279c9c

8005328028 has 36 divisors (see below), whose sum is σ = 20888457408. Its totient is φ = 2582363520.

The previous prime is 8005327991. The next prime is 8005328087. The reversal of 8005328028 is 8208235008.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8005327983 and 8005328001.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3585501 + ... + 3587732.

It is an arithmetic number, because the mean of its divisors is an integer number (580234928).

Almost surely, 28005328028 is an apocalyptic number.

It is an amenable number.

8005328028 is an abundant number, since it is smaller than the sum of its proper divisors (12883129380).

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

8005328028 is a wasteful number, since it uses less digits than its factorization.

8005328028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173274 (or 7173269 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 8005328028 is about 89472.4987244684. The cubic root of 8005328028 is about 2000.4439038008.

The spelling of 8005328028 in words is "eight billion, five million, three hundred twenty-eight thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 7173233 14346466 21519699 28692932 43039398 64559097 86078796 129118194 222370223 258236388 444740446 667110669 889480892 1334221338 2001332007 2668442676 4002664014 8005328028