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8140285077868 = 225471371974277
BaseRepresentation
bin111011001110100111011…
…0011001110100101101100
31001211012111110111201221001
41312131032303032211230
52031332300434442433
625151332332050044
71500054565335316
oct166351663164554
931735443451831
108140285077868
112659303789619
12ab5785003924
1347081955ab88
14201dc5ab87b6
15e1b32be957d
hex7674ecce96c

8140285077868 has 12 divisors (see below), whose sum is σ = 14248102744512. Its totient is φ = 4069398579440.

The previous prime is 8140285077853. The next prime is 8140285077893. The reversal of 8140285077868 is 8687705820418.

It is a super-2 number, since 2×81402850778682 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185965255 + ... + 186009022.

It is an arithmetic number, because the mean of its divisors is an integer number (1187341895376).

Almost surely, 28140285077868 is an apocalyptic number.

It is an amenable number.

8140285077868 is a deficient number, since it is larger than the sum of its proper divisors (6107817666644).

8140285077868 is a wasteful number, since it uses less digits than its factorization.

8140285077868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371979752 (or 371979750 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 64.

The spelling of 8140285077868 in words is "eight trillion, one hundred forty billion, two hundred eighty-five million, seventy-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 5471 10942 21884 371974277 743948554 1487897108 2035071269467 4070142538934 8140285077868