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128222744593 is a prime number
BaseRepresentation
bin111011101101010101…
…0111101000000010001
3110020222001201022112111
41313122222331000101
54100100010311333
6134523230225321
712156323226466
oct1673252750021
9406861638474
10128222744593
114a41943a909
1220a25655241
13c125919208
1462c543366d
153506cee4cd
hex1ddaabd011

128222744593 has 2 divisors, whose sum is σ = 128222744594. Its totient is φ = 128222744592.

The previous prime is 128222744561. The next prime is 128222744609. The reversal of 128222744593 is 395447222821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109394239504 + 18828505089 = 330748^2 + 137217^2 .

It is a cyclic number.

It is not a de Polignac number, because 128222744593 - 25 = 128222744561 is a prime.

It is not a weakly prime, because it can be changed into another prime (128222744543) 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, 64111372296 + 64111372297.

It is an arithmetic number, because the mean of its divisors is an integer number (64111372297).

Almost surely, 2128222744593 is an apocalyptic number.

It is an amenable number.

128222744593 is a deficient number, since it is larger than the sum of its proper divisors (1).

128222744593 is an equidigital number, since it uses as much as digits as its factorization.

128222744593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 49.

The spelling of 128222744593 in words is "one hundred twenty-eight billion, two hundred twenty-two million, seven hundred forty-four thousand, five hundred ninety-three".