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1800010344 = 233116818221
BaseRepresentation
bin110101101001001…
…1111101001101000
311122110000222222210
41223102133221220
512141300312334
6454340245120
762414556366
oct15322375150
94573028883
101800010344
11844071460
124229a07a0
13228bc49a2
141310ba636
15a805b5e9
hex6b49fa68

1800010344 has 32 divisors (see below), whose sum is σ = 4909119840. Its totient is φ = 545457600.

The previous prime is 1800010321. The next prime is 1800010351. The reversal of 1800010344 is 4430100081.

It is a self number, because there is not a number n which added to its sum of digits gives 1800010344.

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 7 ways as a sum of consecutive naturals, for example, 3408847 + ... + 3409374.

It is an arithmetic number, because the mean of its divisors is an integer number (153409995).

Almost surely, 21800010344 is an apocalyptic number.

It is an amenable number.

1800010344 is an abundant number, since it is smaller than the sum of its proper divisors (3109109496).

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

1800010344 is a wasteful number, since it uses less digits than its factorization.

1800010344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6818241 (or 6818237 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1800010344 is about 42426.5287762268. The cubic root of 1800010344 is about 1216.4427292694.

The spelling of 1800010344 in words is "one billion, eight hundred million, ten thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 6818221 13636442 20454663 27272884 40909326 54545768 75000431 81818652 150000862 163637304 225001293 300001724 450002586 600003448 900005172 1800010344