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6668014880 = 25546390011
BaseRepresentation
bin1100011010111000…
…11101010100100000
3122012201001020211002
412031130131110200
5102124002434010
63021354411132
7324145122422
oct61534352440
918181036732
106668014880
112911a142aa
121361130aa8
138235b9747
1447381c812
152905dd1a5
hex18d71d520

6668014880 has 48 divisors (see below), whose sum is σ = 15787384704. Its totient is φ = 2661415680.

The previous prime is 6668014877. The next prime is 6668014897. The reversal of 6668014880 is 884108666.

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, 29075 + ... + 119085.

It is an arithmetic number, because the mean of its divisors is an integer number (328903848).

Almost surely, 26668014880 is an apocalyptic number.

It is an amenable number.

6668014880 is an abundant number, since it is smaller than the sum of its proper divisors (9119369824).

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

6668014880 is a wasteful number, since it uses less digits than its factorization.

6668014880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90489 (or 90481 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 6668014880 is about 81657.9137622313. The cubic root of 6668014880 is about 1882.1989209426.

The spelling of 6668014880 in words is "six billion, six hundred sixty-eight million, fourteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 463 926 1852 2315 3704 4630 7408 9260 14816 18520 37040 74080 90011 180022 360044 450055 720088 900110 1440176 1800220 2880352 3600440 7200880 14401760 41675093 83350186 166700372 208375465 333400744 416750930 666801488 833501860 1333602976 1667003720 3334007440 6668014880