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120968455589 is a prime number
BaseRepresentation
bin111000010101001001…
…0000010010110100101
3102120020111111020210222
41300222102002112211
53440220411034324
6131323325454125
711511465623042
oct1605222022645
9376214436728
10120968455589
11473365a3143
121b540111345
13b53aa2b607
145bd7c021c9
15323000555e
hex1c2a4825a5

120968455589 has 2 divisors, whose sum is σ = 120968455590. Its totient is φ = 120968455588.

The previous prime is 120968455547. The next prime is 120968455693. The reversal of 120968455589 is 985554869021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81787420225 + 39181035364 = 285985^2 + 197942^2 .

It is an emirp because it is prime and its reverse (985554869021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120968455589 - 232 = 116673488293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120968455519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60484227794 + 60484227795.

It is an arithmetic number, because the mean of its divisors is an integer number (60484227795).

Almost surely, 2120968455589 is an apocalyptic number.

It is an amenable number.

120968455589 is a deficient number, since it is larger than the sum of its proper divisors (1).

120968455589 is an equidigital number, since it uses as much as digits as its factorization.

120968455589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104000, while the sum is 62.

The spelling of 120968455589 in words is "one hundred twenty billion, nine hundred sixty-eight million, four hundred fifty-five thousand, five hundred eighty-nine".