Search a number
-
+
20143104433 is a prime number
BaseRepresentation
bin10010110000100111…
…110110000110110001
31220222210210201121221
4102300213312012301
5312223113320213
613130440345041
71312110363664
oct226047660661
956883721557
1020143104433
1185a7291551
123aa1a75181
131b9023100a
14d912d76db
157cd5d738d
hex4b09f61b1

20143104433 has 2 divisors, whose sum is σ = 20143104434. Its totient is φ = 20143104432.

The previous prime is 20143104431. The next prime is 20143104439. The reversal of 20143104433 is 33440134102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12835077264 + 7308027169 = 113292^2 + 85487^2 .

It is a cyclic number.

It is not a de Polignac number, because 20143104433 - 21 = 20143104431 is a prime.

Together with 20143104431, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20143104398 and 20143104407.

It is not a weakly prime, because it can be changed into another prime (20143104431) 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 as a sum of consecutive naturals, namely, 10071552216 + 10071552217.

It is an arithmetic number, because the mean of its divisors is an integer number (10071552217).

Almost surely, 220143104433 is an apocalyptic number.

It is an amenable number.

20143104433 is a deficient number, since it is larger than the sum of its proper divisors (1).

20143104433 is an equidigital number, since it uses as much as digits as its factorization.

20143104433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20143104433 its reverse (33440134102), we get a palindrome (53583238535).

The spelling of 20143104433 in words is "twenty billion, one hundred forty-three million, one hundred four thousand, four hundred thirty-three".