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20000011444 = 2272377300499
BaseRepresentation
bin10010101000000101…
…111111010010110100
31220121211112211221121
4102220011333102310
5311430000331234
613104325353324
71305422202160
oct225005772264
956554484847
1020000011444
118533537686
123a61b68844
131b696acbca
14d7a2c9ca0
157c0c6e4b4
hex4a817f4b4

20000011444 has 24 divisors (see below), whose sum is σ = 40016984000. Its totient is φ = 8567798976.

The previous prime is 20000011417. The next prime is 20000011469. The reversal of 20000011444 is 44411000002.

It is a congruent number.

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, 83694 + ... + 216805.

Almost surely, 220000011444 is an apocalyptic number.

It is an amenable number.

20000011444 is an abundant number, since it is smaller than the sum of its proper divisors (20016972556).

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

20000011444 is a wasteful number, since it uses less digits than its factorization.

20000011444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302887 (or 302885 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20000011444 its reverse (44411000002), we get a palindrome (64411011446).

The spelling of 20000011444 in words is "twenty billion, eleven thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 2377 4754 9508 16639 33278 66556 300499 600998 1201996 2103493 4206986 8413972 714286123 1428572246 2857144492 5000002861 10000005722 20000011444