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66798484765156 = 22592692632
BaseRepresentation
bin11110011000000101110111…
…11101001011100111100100
322202111212120020212220102001
433030002323331023213210
532223411244044441111
6354022444505055044
720033013503112424
oct1714027375134744
9282455506786361
1066798484765156
111a314095242951
1275a9bb1487484
132b370bac90191
14126d0c7540484
157ac8adcc41c1
hex3cc0bbf4b9e4

66798484765156 has 27 divisors (see below), whose sum is σ = 118913957716771. Its totient is φ = 32832679492664.

The previous prime is 66798484765121. The next prime is 66798484765211. The reversal of 66798484765156 is 65156748489766.

The square root of 66798484765156 is 8173034.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66798484765156.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 964383381 + ... + 964452643.

Almost surely, 266798484765156 is an apocalyptic number.

66798484765156 is the 8173034-th square number.

It is an amenable number.

66798484765156 is a deficient number, since it is larger than the sum of its proper divisors (52115472951615).

66798484765156 is an frugal number, since it uses more digits than its factorization.

66798484765156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138648 (or 69324 counting only the distinct ones).

The product of its digits is 14631321600, while the sum is 82.

The spelling of 66798484765156 in words is "sixty-six trillion, seven hundred ninety-eight billion, four hundred eighty-four million, seven hundred sixty-five thousand, one hundred fifty-six".

Divisors: 1 2 4 59 118 236 3481 6962 13924 69263 138526 277052 4086517 8173034 16346068 241104503 482209006 964418012 4797363169 9594726338 19189452676 283044426971 566088853942 1132177707884 16699621191289 33399242382578 66798484765156