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3001220000 = 2554150061
BaseRepresentation
bin1011001011100010…
…1111101110100000
321202011022202212022
42302320233232200
522121303020000
61213450321012
7134241643352
oct26270575640
97664282768
103001220000
111300124009
126b9129168
1338aa2092c
142068430d2
15128735585
hexb2e2fba0

3001220000 has 60 divisors (see below), whose sum is σ = 7383500586. Its totient is φ = 1200480000.

The previous prime is 3001219981. The next prime is 3001220011. The reversal of 3001220000 is 221003.

It can be written as a sum of positive squares in 5 ways, for example, as 296803984 + 2704416016 = 17228^2 + 52004^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3001220000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55031 + ... + 95030.

Almost surely, 23001220000 is an apocalyptic number.

It is an amenable number.

3001220000 is an abundant number, since it is smaller than the sum of its proper divisors (4382280586).

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

3001220000 is an equidigital number, since it uses as much as digits as its factorization.

3001220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150091 (or 150068 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 3001220000 is about 54783.3916438185. The cubic root of 3001220000 is about 1442.4450487534.

Adding to 3001220000 its reverse (221003), we get a palindrome (3001441003).

The spelling of 3001220000 in words is "three billion, one million, two hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 150061 300122 600244 750305 1200488 1500610 2400976 3001220 3751525 4801952 6002440 7503050 12004880 15006100 18757625 24009760 30012200 37515250 60024400 75030500 93788125 120048800 150061000 187576250 300122000 375152500 600244000 750305000 1500610000 3001220000