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20244223510144 = 27158157996173
BaseRepresentation
bin1001001101001011110011…
…10000000100011010000000
32122200022212202002021101021
410212211321300010122000
510123140132204311034
6111020022355315224
74156411505426224
oct446457160043200
978608782067337
1020244223510144
1164a5588450a27
12232b5715abb14
13b3b0396a319a
144ddb7b802784
152518ea9b76b4
hex126979c04680

20244223510144 has 16 divisors (see below), whose sum is σ = 40330289024370. Its totient is φ = 10122111755008.

The previous prime is 20244223510117. The next prime is 20244223510253. The reversal of 20244223510144 is 44101532244202.

It can be written as a sum of positive squares in only one way, i.e., 17381494868544 + 2862728641600 = 4169112^2 + 1691960^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79078997959 + ... + 79078998214.

Almost surely, 220244223510144 is an apocalyptic number.

It is an amenable number.

20244223510144 is a deficient number, since it is larger than the sum of its proper divisors (20086065514226).

20244223510144 is an equidigital number, since it uses as much as digits as its factorization.

20244223510144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158157996187 (or 158157996175 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 20244223510144 its reverse (44101532244202), we get a palindrome (64345755754346).

The spelling of 20244223510144 in words is "twenty trillion, two hundred forty-four billion, two hundred twenty-three million, five hundred ten thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 158157996173 316315992346 632631984692 1265263969384 2530527938768 5061055877536 10122111755072 20244223510144