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20344316452001 = 23818544442021
BaseRepresentation
bin1001010000000110001111…
…10000010101110010100001
32200000220020101121112212222
410220003013300111302201
510131310130002431001
6111134014442400425
74166554061412233
oct450030760256241
980026211545788
1020344316452001
116533a81297683
122346a46500115
13b475cb5248b9
14504954d38253
15254307e6061b
hex1280c7c15ca1

20344316452001 has 4 divisors (see below), whose sum is σ = 20352860896404. Its totient is φ = 20335772007600.

The previous prime is 20344316451973. The next prime is 20344316452007. The reversal of 20344316452001 is 10025461344302.

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 8166477867025 + 12177838584976 = 2857705^2 + 3489676^2 .

It is a cyclic number.

It is not a de Polignac number, because 20344316452001 - 214 = 20344316435617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20344316452007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4272218630 + ... + 4272223391.

It is an arithmetic number, because the mean of its divisors is an integer number (5088215224101).

Almost surely, 220344316452001 is an apocalyptic number.

It is an amenable number.

20344316452001 is a deficient number, since it is larger than the sum of its proper divisors (8544444403).

20344316452001 is an equidigital number, since it uses as much as digits as its factorization.

20344316452001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8544444402.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 20344316452001 its reverse (10025461344302), we get a palindrome (30369777796303).

The spelling of 20344316452001 in words is "twenty trillion, three hundred forty-four billion, three hundred sixteen million, four hundred fifty-two thousand, one".

Divisors: 1 2381 8544442021 20344316452001