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2021988490848 = 25337733027509
BaseRepresentation
bin11101011011000111111…
…001111101111001100000
321011022002212001220212000
4131123013321331321200
5231112013023201343
64144515542404000
7266040521410254
oct35330771757140
97138085056760
102021988490848
1170a57a876477
12287a5ba30600
13118898bb68c1
146dc16cb6264
15378e35d5ed3
hex1d6c7e7de60

2021988490848 has 96 divisors (see below), whose sum is σ = 5905097704800. Its totient is φ = 673124018688.

The previous prime is 2021988490811. The next prime is 2021988490861. The reversal of 2021988490848 is 8480948891202.

2021988490848 is a `hidden beast` number, since 2 + 0 + 21 + 9 + 88 + 490 + 8 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845883 + ... + 2181626.

It is an arithmetic number, because the mean of its divisors is an integer number (61511434425).

Almost surely, 22021988490848 is an apocalyptic number.

It is an amenable number.

2021988490848 is an abundant number, since it is smaller than the sum of its proper divisors (3883109213952).

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

2021988490848 is a wasteful number, since it uses less digits than its factorization.

2021988490848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028301 (or 3028287 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 63.

The spelling of 2021988490848 in words is "two trillion, twenty-one billion, nine hundred eighty-eight million, four hundred ninety thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 773 864 1546 2319 3092 4638 6184 6957 9276 12368 13914 18552 20871 24736 27828 37104 41742 55656 74208 83484 111312 166968 222624 333936 667872 3027509 6055018 9082527 12110036 18165054 24220072 27247581 36330108 48440144 54495162 72660216 81742743 96880288 108990324 145320432 163485486 217980648 290640864 326970972 435961296 653941944 871922592 1307883888 2340264457 2615767776 4680528914 7020793371 9361057828 14041586742 18722115656 21062380113 28083173484 37444231312 42124760226 56166346968 63187140339 74888462624 84249520452 112332693936 126374280678 168499040904 224665387872 252748561356 336998081808 505497122712 673996163616 1010994245424 2021988490848