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BaseRepresentation
bin1001010000000110110101…
…01000000101011110111101
32200000221001110100122210002
410220003122220011132331
510131311302030231130
6111134110112324045
74166564654452436
oct450033250053675
980027043318702
1020344633055165
116534123a81291
122346b14543625
13b4764bcb6953
14504984dd048d
15254325b4db45
hex1280daa057bd

20344633055165 has 4 divisors (see below), whose sum is σ = 24413559666204. Its totient is φ = 16275706444128.

The previous prime is 20344633055081. The next prime is 20344633055191. The reversal of 20344633055165 is 56155033644302.

Adding to 20344633055165 its reverse (56155033644302), we get a palindrome (76499666699467).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9232737485764 + 11111895569401 = 3038542^2 + 3333451^2 .

It is a cyclic number.

It is not a de Polignac number, because 20344633055165 - 212 = 20344633051069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034463305512 + ... + 2034463305521.

It is an arithmetic number, because the mean of its divisors is an integer number (6103389916551).

Almost surely, 220344633055165 is an apocalyptic number.

It is an amenable number.

20344633055165 is a deficient number, since it is larger than the sum of its proper divisors (4068926611039).

20344633055165 is an equidigital number, since it uses as much as digits as its factorization.

20344633055165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068926611038.

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 20344633055165 in words is "twenty trillion, three hundred forty-four billion, six hundred thirty-three million, fifty-five thousand, one hundred sixty-five".

Divisors: 1 5 4068926611033 20344633055165