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2161114573 is a prime number
BaseRepresentation
bin1000000011001111…
…1111110111001101
312120121111222212111
42000303333313031
513411221131243
6554240104021
7104361112402
oct20063776715
95517458774
102161114573
11a09990402
12503905011
13285968227
141670382a9
15c9ada39d
hex80cffdcd

2161114573 has 2 divisors, whose sum is σ = 2161114574. Its totient is φ = 2161114572.

The previous prime is 2161114559. The next prime is 2161114589. The reversal of 2161114573 is 3754111612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2009011684 + 152102889 = 44822^2 + 12333^2 .

It is a cyclic number.

It is not a de Polignac number, because 2161114573 - 229 = 1624243661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2161117573) 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, 1080557286 + 1080557287.

It is an arithmetic number, because the mean of its divisors is an integer number (1080557287).

Almost surely, 22161114573 is an apocalyptic number.

It is an amenable number.

2161114573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161114573 is an equidigital number, since it uses as much as digits as its factorization.

2161114573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 2161114573 is about 46487.7895043419. The cubic root of 2161114573 is about 1292.8831160404.

The spelling of 2161114573 in words is "two billion, one hundred sixty-one million, one hundred fourteen thousand, five hundred seventy-three".