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7066028180 = 2251921438677
BaseRepresentation
bin1101001010010101…
…10000100010010100
3200020102222102102102
412211022300202110
5103432400400210
63125053301232
7340050151151
oct64512604224
920212872372
107066028180
112aa6652612
121452494818
13887bb3983
144b0627228
152b550cea5
hex1a52b0894

7066028180 has 48 divisors (see below), whose sum is σ = 15628730880. Its totient is φ = 2676094848.

The previous prime is 7066028149. The next prime is 7066028201. The reversal of 7066028180 is 818206607.

It is a super-2 number, since 2×70660281802 = 99857508481108224800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810002 + ... + 818678.

It is an arithmetic number, because the mean of its divisors is an integer number (325598560).

Almost surely, 27066028180 is an apocalyptic number.

It is an amenable number.

7066028180 is an abundant number, since it is smaller than the sum of its proper divisors (8562702700).

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

7066028180 is a wasteful number, since it uses less digits than its factorization.

7066028180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10848 (or 10846 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 7066028180 is about 84059.6703538623. The cubic root of 7066028180 is about 1918.9270064435.

The spelling of 7066028180 in words is "seven billion, sixty-six million, twenty-eight thousand, one hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 2143 4286 8572 8677 10715 17354 21430 34708 40717 42860 43385 81434 86770 162868 164863 173540 203585 329726 407170 659452 814340 824315 1648630 3297260 18594811 37189622 74379244 92974055 185948110 353301409 371896220 706602818 1413205636 1766507045 3533014090 7066028180