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8008068186986 = 27797240567981
BaseRepresentation
bin111010010001000011000…
…0011110100001101101010
31001100120020001002202201112
41310202012003310031222
52022201010423440421
625010504501150322
71454364252322250
oct164420603641552
931316201082645
108008068186986
1126082257a356a
12a940259bb3a2
134612082bc7ba
141d98420165d0
15dd49542e45b
hex748860f436a

8008068186986 has 16 divisors (see below), whose sum is σ = 13901890525440. Its totient is φ = 3388585814640.

The previous prime is 8008068186983. The next prime is 8008068187013. The reversal of 8008068186986 is 6896818608008.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8008068186983) by changing a digit.

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, 3620282885 + ... + 3620285096.

It is an arithmetic number, because the mean of its divisors is an integer number (868868157840).

Almost surely, 28008068186986 is an apocalyptic number.

8008068186986 is a deficient number, since it is larger than the sum of its proper divisors (5893822338454).

8008068186986 is a wasteful number, since it uses less digits than its factorization.

8008068186986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240568069.

The product of its (nonzero) digits is 63700992, while the sum is 68.

The spelling of 8008068186986 in words is "eight trillion, eight billion, sixty-eight million, one hundred eighty-six thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 79 158 553 1106 7240567981 14481135962 50683975867 101367951734 572004870499 1144009740998 4004034093493 8008068186986