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20041143001 = 112165629281
BaseRepresentation
bin10010101010100010…
…111001001011011001
31220201200221112211121
4102222202321023121
5312021013034001
613112355125241
71306431622225
oct225242711331
956650845747
1020041143001
118554780400
123a738a3821
131b750817c9
14d81955785
157c46966a1
hex4aa8b92d9

20041143001 has 6 divisors (see below), whose sum is σ = 22028694506. Its totient is φ = 18219220800.

The previous prime is 20041142987. The next prime is 20041143011. The reversal of 20041143001 is 10034114002.

It can be written as a sum of positive squares in only one way, i.e., 19012273225 + 1028869776 = 137885^2 + 32076^2 .

It is not a de Polignac number, because 20041143001 - 223 = 20032754393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20041143011) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 82814520 + ... + 82814761.

Almost surely, 220041143001 is an apocalyptic number.

It is an amenable number.

20041143001 is a deficient number, since it is larger than the sum of its proper divisors (1987551505).

20041143001 is a wasteful number, since it uses less digits than its factorization.

20041143001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165629303 (or 165629292 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20041143001 its reverse (10034114002), we get a palindrome (30075257003).

The spelling of 20041143001 in words is "twenty billion, forty-one million, one hundred forty-three thousand, one".

Divisors: 1 11 121 165629281 1821922091 20041143001