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11110223420 = 2257128327647
BaseRepresentation
bin10100101100011100…
…01000111000111100
31001200021211211100022
422112032020320330
5140223204122140
65034242351312
7542215224632
oct122616107074
931607754308
1011110223420
11479148232a
1221a095b538
131080a0a5ca
147757a3352
154505b30b5
hex296388e3c

11110223420 has 48 divisors (see below), whose sum is σ = 23744544768. Its totient is φ = 4365856320.

The previous prime is 11110223413. The next prime is 11110223429. The reversal of 11110223420 is 2432201111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110223429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388037 + ... + 415683.

It is an arithmetic number, because the mean of its divisors is an integer number (494678016).

Almost surely, 211110223420 is an apocalyptic number.

11110223420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110223420 is an abundant number, since it is smaller than the sum of its proper divisors (12634321348).

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

11110223420 is a wasteful number, since it uses less digits than its factorization.

11110223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28010 (or 28008 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11110223420 its reverse (2432201111), we get a palindrome (13542424531).

The spelling of 11110223420 in words is "eleven billion, one hundred ten million, two hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 71 142 283 284 355 566 710 1132 1415 1420 2830 5660 20093 27647 40186 55294 80372 100465 110588 138235 200930 276470 401860 552940 1962937 3925874 7824101 7851748 9814685 15648202 19629370 31296404 39120505 39258740 78241010 156482020 555511171 1111022342 2222044684 2777555855 5555111710 11110223420