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20334104128 = 261348315059
BaseRepresentation
bin10010111100000000…
…011100111001000000
31221111010012111221201
4102330000130321000
5313121012313003
613201422230544
71316620014262
oct227400347100
957433174851
1020334104128
118695087438
123b35a25454
131bc09867a0
14dac815b32
157e0264b1d
hex4bc01ce40

20334104128 has 56 divisors (see below), whose sum is σ = 43471957760. Its totient is φ = 9381173760.

The previous prime is 20334104101. The next prime is 20334104129. The reversal of 20334104128 is 82140143302.

It is a junction number, because it is equal to n+sod(n) for n = 20334104096 and 20334104105.

It is not an unprimeable number, because it can be changed into a prime (20334104129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4016863 + ... + 4021921.

It is an arithmetic number, because the mean of its divisors is an integer number (776284960).

Almost surely, 220334104128 is an apocalyptic number.

It is an amenable number.

20334104128 is an abundant number, since it is smaller than the sum of its proper divisors (23137853632).

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

20334104128 is a wasteful number, since it uses less digits than its factorization.

20334104128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9915 (or 9905 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 20334104128 in words is "twenty billion, three hundred thirty-four million, one hundred four thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 4831 5059 9662 10118 19324 20236 38648 40472 62803 65767 77296 80944 125606 131534 154592 161888 251212 263068 309184 323776 502424 526136 1004848 1052272 2009696 2104544 4019392 4209088 24440029 48880058 97760116 195520232 317720377 391040464 635440754 782080928 1270881508 1564161856 2541763016 5083526032 10167052064 20334104128