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2120333197 is a prime number
BaseRepresentation
bin111111001100001…
…1011011110001101
312110202210002100011
41332120123132031
513320301130242
6550222033221
7103354351303
oct17630333615
95422702304
102120333197
11998966794
124b2118811
1327a389b38
14161860273
15c6231d17
hex7e61b78d

2120333197 has 2 divisors, whose sum is σ = 2120333198. Its totient is φ = 2120333196.

The previous prime is 2120333191. The next prime is 2120333207. The reversal of 2120333197 is 7913330212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1871514121 + 248819076 = 43261^2 + 15774^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120333197 - 219 = 2119808909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120333191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060166598 + 1060166599.

It is an arithmetic number, because the mean of its divisors is an integer number (1060166599).

Almost surely, 22120333197 is an apocalyptic number.

It is an amenable number.

2120333197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120333197 is an equidigital number, since it uses as much as digits as its factorization.

2120333197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 2120333197 is about 46047.0758789307. The cubic root of 2120333197 is about 1284.6989553527.

The spelling of 2120333197 in words is "two billion, one hundred twenty million, three hundred thirty-three thousand, one hundred ninety-seven".