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21232424192 = 28711848451
BaseRepresentation
bin10011110001100011…
…010001010100000000
32000210201112220102012
4103301203101110000
5321441000033232
613430512312052
71351105425230
oct236143212400
960721486365
1021232424192
119006171611
124146842628
132004b12615
141055c55cc0
1584405d9b2
hex4f18d1500

21232424192 has 36 divisors (see below), whose sum is σ = 48436471776. Its totient is φ = 9099609600.

The previous prime is 21232424141. The next prime is 21232424207. The reversal of 21232424192 is 29142423212.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5922434 + ... + 5926017.

Almost surely, 221232424192 is an apocalyptic number.

It is an amenable number.

21232424192 is an abundant number, since it is smaller than the sum of its proper divisors (27204047584).

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

21232424192 is an equidigital number, since it uses as much as digits as its factorization.

21232424192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11848474 (or 11848460 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The spelling of 21232424192 in words is "twenty-one billion, two hundred thirty-two million, four hundred twenty-four thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 11848451 23696902 47393804 82939157 94787608 165878314 189575216 331756628 379150432 663513256 758300864 1327026512 1516601728 2654053024 3033203456 5308106048 10616212096 21232424192