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28382424624 = 243421900019
BaseRepresentation
bin11010011011101110…
…010110111000110000
32201021000112120010000
4122123232112320300
5431111400041444
621012205510000
72023225425441
oct323356267060
981230476100
1028382424624
1111045158784
125601272300
1328a42176c8
14153369b2c8
15b11b07469
hex69bb96e30

28382424624 has 50 divisors (see below), whose sum is σ = 82146975020. Its totient is φ = 9460807776.

The previous prime is 28382424617. The next prime is 28382424661. The reversal of 28382424624 is 42642428382.

28382424624 is a `hidden beast` number, since 2 + 8 + 382 + 4 + 246 + 24 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 28382424624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10948714 + ... + 10951305.

Almost surely, 228382424624 is an apocalyptic number.

28382424624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28382424624 is an abundant number, since it is smaller than the sum of its proper divisors (53764550396).

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

28382424624 is a wasteful number, since it uses less digits than its factorization.

28382424624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21900039 (or 21900024 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 45.

The spelling of 28382424624 in words is "twenty-eight billion, three hundred eighty-two million, four hundred twenty-four thousand, six hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 21900019 43800038 65700057 87600076 131400114 175200152 197100171 262800228 350400304 394200342 525600456 591300513 788400684 1051200912 1182601026 1576801368 1773901539 2365202052 3153602736 3547803078 4730404104 7095606156 9460808208 14191212312 28382424624