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2170968193 is a prime number
BaseRepresentation
bin1000000101100110…
…0101100010000001
312121022001121111101
42001121211202001
513421231440233
6555231214401
7104540632222
oct20131454201
95538047441
102170968193
11a14500599
12507077401
13287a08284
14168481249
15ca8d4c7d
hex81665881

2170968193 has 2 divisors, whose sum is σ = 2170968194. Its totient is φ = 2170968192.

The previous prime is 2170968167. The next prime is 2170968197. The reversal of 2170968193 is 3918690712.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1473638544 + 697329649 = 38388^2 + 26407^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170968193 - 217 = 2170837121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2170968197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085484096 + 1085484097.

It is an arithmetic number, because the mean of its divisors is an integer number (1085484097).

Almost surely, 22170968193 is an apocalyptic number.

It is an amenable number.

2170968193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170968193 is an equidigital number, since it uses as much as digits as its factorization.

2170968193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 2170968193 is about 46593.6497068002. The cubic root of 2170968193 is about 1294.8451076154.

The spelling of 2170968193 in words is "two billion, one hundred seventy million, nine hundred sixty-eight thousand, one hundred ninety-three".