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8008068186987 = 3112014912043711
BaseRepresentation
bin111010010001000011000…
…0011110100001101101011
31001100120020001002202201120
41310202012003310031223
52022201010423440422
625010504501150323
71454364252322251
oct164420603641553
931316201082646
108008068186987
1126082257a3570
12a940259bb3a3
134612082bc7bb
141d98420165d1
15dd49542e45c
hex748860f436b

8008068186987 has 16 divisors (see below), whose sum is σ = 11648678246400. Its totient is φ = 4853133381600.

The previous prime is 8008068186983. The next prime is 8008068187013. The reversal of 8008068186987 is 7896818608008.

It is not a de Polignac number, because 8008068186987 - 22 = 8008068186983 is a prime.

It is a super-2 number, since 2×80080681869872 (a number of 27 digits) contains 22 as substring.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5356939 + ... + 6686772.

It is an arithmetic number, because the mean of its divisors is an integer number (728042390400).

Almost surely, 28008068186987 is an apocalyptic number.

8008068186987 is a deficient number, since it is larger than the sum of its proper divisors (3640610059413).

8008068186987 is a wasteful number, since it uses less digits than its factorization.

8008068186987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12063874.

The product of its (nonzero) digits is 74317824, while the sum is 69.

The spelling of 8008068186987 in words is "eight trillion, eight billion, sixty-eight million, one hundred eighty-six thousand, nine hundred eighty-seven".

Divisors: 1 3 11 33 20149 60447 221639 664917 12043711 36131133 132480821 397442463 242668732939 728006198817 2669356062329 8008068186987