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20430024000 = 26353851251
BaseRepresentation
bin10011000001101110…
…010110110101000000
31221201210200202021120
4103001232112311000
5313320041232000
613215130152240
71322163224121
oct230156266500
957653622246
1020430024000
118734241461
123b61b82680
131c077cc0c9
14dbb464048
157e88b06a0
hex4c1b96d40

20430024000 has 112 divisors (see below), whose sum is σ = 67460018496. Its totient is φ = 5448000000.

The previous prime is 20430023981. The next prime is 20430024001. The reversal of 20430024000 is 42003402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430024001) 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, 401626 + ... + 449625.

Almost surely, 220430024000 is an apocalyptic number.

20430024000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20430024000 is an abundant number, since it is smaller than the sum of its proper divisors (47029994496).

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

20430024000 is an equidigital number, since it uses as much as digits as its factorization.

20430024000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851281 (or 851261 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20430024000 its reverse (42003402), we get a palindrome (20472027402).

The spelling of 20430024000 in words is "twenty billion, four hundred thirty million, twenty-four thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 150 160 192 200 240 250 300 320 375 400 480 500 600 750 800 960 1000 1200 1500 1600 2000 2400 3000 4000 4800 6000 8000 12000 24000 851251 1702502 2553753 3405004 4256255 5107506 6810008 8512510 10215012 12768765 13620016 17025020 20430024 21281275 25537530 27240032 34050040 40860048 42562550 51075060 54480064 63843825 68100080 81720096 85125100 102150120 106406375 127687650 136200160 163440192 170250200 204300240 212812750 255375300 272400320 319219125 340500400 408600480 425625500 510750600 638438250 681000800 817200960 851251000 1021501200 1276876500 1362001600 1702502000 2043002400 2553753000 3405004000 4086004800 5107506000 6810008000 10215012000 20430024000