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20104716901 is a prime number
BaseRepresentation
bin10010101110010101…
…011010001001100101
31220220010120102211111
4102232111122021211
5312133301420101
613122545505021
71311133162663
oct225625321145
956803512744
1020104716901
118587652415
123a91042171
131b852b03b9
14d8a183c33
157ca053251
hex4ae55a265

20104716901 has 2 divisors, whose sum is σ = 20104716902. Its totient is φ = 20104716900.

The previous prime is 20104716881. The next prime is 20104716911. The reversal of 20104716901 is 10961740102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17200584801 + 2904132100 = 131151^2 + 53890^2 .

It is a cyclic number.

It is not a de Polignac number, because 20104716901 - 25 = 20104716869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20104716911) 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, 10052358450 + 10052358451.

It is an arithmetic number, because the mean of its divisors is an integer number (10052358451).

Almost surely, 220104716901 is an apocalyptic number.

It is an amenable number.

20104716901 is a deficient number, since it is larger than the sum of its proper divisors (1).

20104716901 is an equidigital number, since it uses as much as digits as its factorization.

20104716901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 20104716901 in words is "twenty billion, one hundred four million, seven hundred sixteen thousand, nine hundred one".