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8008066808072 = 2317371591428221
BaseRepresentation
bin111010010001000010111…
…1110100011100100001000
31001100120012221111201012122
41310202011332203210020
52022201010100324242
625010504411430412
71454364234520142
oct164420576434410
931316187451178
108008066808072
112608224a41571
12a94025455408
13461207c28c86
141d9841b77c92
15dd49525aad2
hex74885fa3908

8008066808072 has 32 divisors (see below), whose sum is σ = 16328053557720. Its totient is φ = 3666650618880.

The previous prime is 8008066808057. The next prime is 8008066808081. The reversal of 8008066808072 is 2708086608008.

It can be written as a sum of positive squares in 4 ways, for example, as 7455116924836 + 552949883236 = 2730406^2 + 743606^2 .

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 7 ways as a sum of consecutive naturals, for example, 795709079 + ... + 795719142.

Almost surely, 28008066808072 is an apocalyptic number.

It is an amenable number.

8008066808072 is an abundant number, since it is smaller than the sum of its proper divisors (8319986749648).

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

8008066808072 is a wasteful number, since it uses less digits than its factorization.

8008066808072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591428281 (or 1591428277 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 8008066808072 in words is "eight trillion, eight billion, sixty-six million, eight hundred eight thousand, seventy-two".

Divisors: 1 2 4 8 17 34 37 68 74 136 148 296 629 1258 2516 5032 1591428221 3182856442 6365712884 12731425768 27054279757 54108559514 58882844177 108217119028 117765688354 216434238056 235531376708 471062753416 1001008351009 2002016702018 4004033404036 8008066808072