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1223130089 is a prime number
BaseRepresentation
bin100100011100111…
…0111101111101001
310011020112110001102
41020321313233221
510001110130324
6321211531145
742211301636
oct11071675751
93136473042
101223130089
11578474815
122a1759ab5
1316653251c
14b863118d
15725a8dae
hex48e77be9

1223130089 has 2 divisors, whose sum is σ = 1223130090. Its totient is φ = 1223130088.

The previous prime is 1223130031. The next prime is 1223130151. The reversal of 1223130089 is 9800313221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 631667689 + 591462400 = 25133^2 + 24320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223130089 - 216 = 1223064553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223130019) 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, 611565044 + 611565045.

It is an arithmetic number, because the mean of its divisors is an integer number (611565045).

Almost surely, 21223130089 is an apocalyptic number.

It is an amenable number.

1223130089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223130089 is an equidigital number, since it uses as much as digits as its factorization.

1223130089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1223130089 is about 34973.2767838531. The cubic root of 1223130089 is about 1069.4427730113.

The spelling of 1223130089 in words is "one billion, two hundred twenty-three million, one hundred thirty thousand, eighty-nine".