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20424113024 = 27789256121
BaseRepresentation
bin10011000001010111…
…110011101110000000
31221201101120102221112
4103001113303232000
5313312033104044
613214355342452
71322062045010
oct230127635600
957641512845
1020424113024
118730974457
123b5bbb1a28
131c0650c7a3
14dba765c40
157e80e409e
hex4c15f3b80

20424113024 has 64 divisors (see below), whose sum is σ = 47023999200. Its totient is φ = 8654807040.

The previous prime is 20424113009. The next prime is 20424113051. The reversal of 20424113024 is 42031142402.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48317 + ... + 207804.

Almost surely, 220424113024 is an apocalyptic number.

It is an amenable number.

20424113024 is an abundant number, since it is smaller than the sum of its proper divisors (26599886176).

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

20424113024 is an equidigital number, since it uses as much as digits as its factorization.

20424113024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256231 (or 256219 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20424113024 its reverse (42031142402), we get a palindrome (62455255426).

The spelling of 20424113024 in words is "twenty billion, four hundred twenty-four million, one hundred thirteen thousand, twenty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 89 112 128 178 224 356 448 623 712 896 1246 1424 2492 2848 4984 5696 9968 11392 19936 39872 79744 256121 512242 1024484 1792847 2048968 3585694 4097936 7171388 8195872 14342776 16391744 22794769 28685552 32783488 45589538 57371104 91179076 114742208 159563383 182358152 229484416 319126766 364716304 638253532 729432608 1276507064 1458865216 2553014128 2917730432 5106028256 10212056512 20424113024