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20858735753 is a prime number
BaseRepresentation
bin10011011011010001…
…110000110010001001
31222211200101120020122
4103123101300302021
5320204314021003
613325443033025
71335620220452
oct233321606211
958750346218
1020858735753
118934237999
12406166b775
131c755841bb
14101c380129
15821346238
hex4db470c89

20858735753 has 2 divisors, whose sum is σ = 20858735754. Its totient is φ = 20858735752.

The previous prime is 20858735741. The next prime is 20858735789. The reversal of 20858735753 is 35753785802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20640494224 + 218241529 = 143668^2 + 14773^2 .

It is a cyclic number.

It is not a de Polignac number, because 20858735753 - 212 = 20858731657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20858735695 and 20858735704.

It is not a weakly prime, because it can be changed into another prime (20858735353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10429367876 + 10429367877.

It is an arithmetic number, because the mean of its divisors is an integer number (10429367877).

Almost surely, 220858735753 is an apocalyptic number.

It is an amenable number.

20858735753 is a deficient number, since it is larger than the sum of its proper divisors (1).

20858735753 is an equidigital number, since it uses as much as digits as its factorization.

20858735753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 20858735753 in words is "twenty billion, eight hundred fifty-eight million, seven hundred thirty-five thousand, seven hundred fifty-three".