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22004022124 = 22742291131
BaseRepresentation
bin10100011111100010…
…101011101101101100
32002210111110010210101
4110133202223231230
5330031012201444
614035234320444
71406165050000
oct243742535554
962714403711
1022004022124
119371773557
124321129124
1320c892c946
1410ca50a700
1588bb753d4
hex51f8abb6c

22004022124 has 30 divisors (see below), whose sum is σ = 44922225124. Its totient is φ = 9430291080.

The previous prime is 22004022109. The next prime is 22004022203. The reversal of 22004022124 is 42122040022.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1135962 + ... + 1155169.

Almost surely, 222004022124 is an apocalyptic number.

It is an amenable number.

22004022124 is an abundant number, since it is smaller than the sum of its proper divisors (22918203000).

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

22004022124 is an equidigital number, since it uses as much as digits as its factorization.

22004022124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291163 (or 2291140 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22004022124 its reverse (42122040022), we get a palindrome (64126062146).

The spelling of 22004022124 in words is "twenty-two billion, four million, twenty-two thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 2401 4802 9604 2291131 4582262 9164524 16037917 32075834 64151668 112265419 224530838 449061676 785857933 1571715866 3143431732 5501005531 11002011062 22004022124