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27668458322 = 21176192
BaseRepresentation
bin11001110001001010…
…110010101101010010
32122102021002022110122
4121301022302231102
5423131111131242
620413303030242
71666436005151
oct316112625522
978367068418
1027668458322
111080913a28a
12544213b382
1327bc32833b
1414a6929598
15abe0c6ad2
hex6712b2b52

27668458322 has 6 divisors (see below), whose sum is σ = 41503040343. Its totient is φ = 13834111542.

The previous prime is 27668458291. The next prime is 27668458399. The reversal of 27668458322 is 22385486672.

It can be written as a sum of positive squares in only one way, i.e., 13834229161 + 13834229161 = 117619^2 + 117619^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=117619.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 176429 + ... + 294047.

Almost surely, 227668458322 is an apocalyptic number.

27668458322 is a deficient number, since it is larger than the sum of its proper divisors (13834582021).

27668458322 is an frugal number, since it uses more digits than its factorization.

27668458322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235240 (or 117621 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 53.

The spelling of 27668458322 in words is "twenty-seven billion, six hundred sixty-eight million, four hundred fifty-eight thousand, three hundred twenty-two".

Divisors: 1 2 117619 235238 13834229161 27668458322