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8168805208968 = 233435778119551
BaseRepresentation
bin111011011011111001010…
…1110111001001110001000
31001220221010002011111210220
41312313302232321032020
52032314203113141333
625212410341310040
71502114415422505
oct166676256711610
931827102144726
108168805208968
11266a4096421a8
12abb204405320
1347341315b9b1
1420352d7804ac
15e27519538b3
hex76df2bb9388

8168805208968 has 32 divisors (see below), whose sum is σ = 20426700456960. Its totient is φ = 2722310078400.

The previous prime is 8168805208913. The next prime is 8168805208979. The reversal of 8168805208968 is 8698025088618.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38955208 + ... + 39164343.

It is an arithmetic number, because the mean of its divisors is an integer number (638334389280).

Almost surely, 28168805208968 is an apocalyptic number.

It is an amenable number.

8168805208968 is an abundant number, since it is smaller than the sum of its proper divisors (12257895247992).

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

8168805208968 is a wasteful number, since it uses less digits than its factorization.

8168805208968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78123917 (or 78123913 counting only the distinct ones).

The product of its (nonzero) digits is 106168320, while the sum is 69.

The spelling of 8168805208968 in words is "eight trillion, one hundred sixty-eight billion, eight hundred five million, two hundred eight thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 4357 8714 13071 17428 26142 34856 52284 104568 78119551 156239102 234358653 312478204 468717306 624956408 937434612 1874869224 340366883707 680733767414 1021100651121 1361467534828 2042201302242 2722935069656 4084402604484 8168805208968