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20100120310133 is a prime number
BaseRepresentation
bin1001001000111111011001…
…00001111111000101110101
32122011112220221111020101022
410210133230201333011311
510113310021244411013
6110425511235510525
74143120501432533
oct444375441770565
978145827436338
1020100120310133
11644a45a9a69a6
122307655758445
13b2a5829c85b6
144d6bcb279153
1524ccb4938008
hex1247ec87f175

20100120310133 has 2 divisors, whose sum is σ = 20100120310134. Its totient is φ = 20100120310132.

The previous prime is 20100120310117. The next prime is 20100120310213. The reversal of 20100120310133 is 33101302100102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15827722257649 + 4272398052484 = 3978407^2 + 2066978^2 .

It is a cyclic number.

It is not a de Polignac number, because 20100120310133 - 24 = 20100120310117 is a prime.

It is a super-2 number, since 2×201001203101332 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100120312133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050060155066 + 10050060155067.

It is an arithmetic number, because the mean of its divisors is an integer number (10050060155067).

Almost surely, 220100120310133 is an apocalyptic number.

It is an amenable number.

20100120310133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100120310133 is an equidigital number, since it uses as much as digits as its factorization.

20100120310133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20100120310133 its reverse (33101302100102), we get a palindrome (53201422410235).

The spelling of 20100120310133 in words is "twenty trillion, one hundred billion, one hundred twenty million, three hundred ten thousand, one hundred thirty-three".