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2146550117 is a prime number
BaseRepresentation
bin111111111110001…
…1100000101100101
312112121010001012012
41333330130011211
513344004100432
6553000004005
7104123242415
oct17774340545
95477101165
102146550117
11a01742968
124baa60605
13282938bca
14165126645
15c86aecb2
hex7ff1c165

2146550117 has 2 divisors, whose sum is σ = 2146550118. Its totient is φ = 2146550116.

The previous prime is 2146550083. The next prime is 2146550129. The reversal of 2146550117 is 7110556412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1704120961 + 442429156 = 41281^2 + 21034^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2146550117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2146550177) 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, 1073275058 + 1073275059.

It is an arithmetic number, because the mean of its divisors is an integer number (1073275059).

Almost surely, 22146550117 is an apocalyptic number.

It is an amenable number.

2146550117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146550117 is an equidigital number, since it uses as much as digits as its factorization.

2146550117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 2146550117 is about 46330.8764972130. The cubic root of 2146550117 is about 1289.9721799581.

The spelling of 2146550117 in words is "two billion, one hundred forty-six million, five hundred fifty thousand, one hundred seventeen".