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20344160522105 = 57581261729203
BaseRepresentation
bin1001010000000101111100…
…11101100000111101111001
32200000212211112012111021122
410220002332131200331321
510131304320043201410
6111133551152315025
74166550156134150
oct450027635407571
980025745174248
1020344160522105
116533a012751a2
122346a02242a75
13b475a512a8a4
1450493c348597
152542e940de55
hex1280be760f79

20344160522105 has 8 divisors (see below), whose sum is σ = 27900563001792. Its totient is φ = 13950281500848.

The previous prime is 20344160522089. The next prime is 20344160522107. The reversal of 20344160522105 is 50122506144302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20344160522105 - 24 = 20344160522089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 581261729203 = 20344160522105 / (2 + 0 + 3 + 4 + 4 + 1 + 6 + 0 + 5 + 2 + 2 + 1 + 0 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20344160522107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290630864567 + ... + 290630864636.

It is an arithmetic number, because the mean of its divisors is an integer number (3487570375224).

Almost surely, 220344160522105 is an apocalyptic number.

It is an amenable number.

20344160522105 is a deficient number, since it is larger than the sum of its proper divisors (7556402479687).

20344160522105 is an equidigital number, since it uses as much as digits as its factorization.

20344160522105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581261729215.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 20344160522105 its reverse (50122506144302), we get a palindrome (70466666666407).

The spelling of 20344160522105 in words is "twenty trillion, three hundred forty-four billion, one hundred sixty million, five hundred twenty-two thousand, one hundred five".

Divisors: 1 5 7 35 581261729203 2906308646015 4068832104421 20344160522105