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120223324181 is a prime number
BaseRepresentation
bin110111111110111011…
…1100101100000010101
3102111022120101122200102
41233331313211200111
53432204132333211
6131121351023445
711454150252212
oct1577567454025
9374276348612
10120223324181
1146a93a28964
121b37266ab85
13b44c549b5c
145b66c7ab09
1531d98baa3b
hex1bfdde5815

120223324181 has 2 divisors, whose sum is σ = 120223324182. Its totient is φ = 120223324180.

The previous prime is 120223324099. The next prime is 120223324231. The reversal of 120223324181 is 181423322021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99014062225 + 21209261956 = 314665^2 + 145634^2 .

It is a cyclic number.

It is not a de Polignac number, because 120223324181 - 226 = 120156215317 is a prime.

It is a super-2 number, since 2×1202233241812 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120223344181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60111662090 + 60111662091.

It is an arithmetic number, because the mean of its divisors is an integer number (60111662091).

Almost surely, 2120223324181 is an apocalyptic number.

It is an amenable number.

120223324181 is a deficient number, since it is larger than the sum of its proper divisors (1).

120223324181 is an equidigital number, since it uses as much as digits as its factorization.

120223324181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 120223324181 in words is "one hundred twenty billion, two hundred twenty-three million, three hundred twenty-four thousand, one hundred eighty-one".