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268222063729 is a prime number
BaseRepresentation
bin1111100111001101000…
…1111110010001110001
3221122022212010121022111
43321303101332101301
513343304322014404
6323115225405321
725243535631664
oct3716321762161
9848285117274
10268222063729
11a38303a9454
1243b97039841
131c3a7300319
14cda69256db
156e9c939104
hex3e7347e471

268222063729 has 2 divisors, whose sum is σ = 268222063730. Its totient is φ = 268222063728.

The previous prime is 268222063723. The next prime is 268222063801. The reversal of 268222063729 is 927360222862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250623388129 + 17598675600 = 500623^2 + 132660^2 .

It is a cyclic number.

It is not a de Polignac number, because 268222063729 - 27 = 268222063601 is a prime.

It is not a weakly prime, because it can be changed into another prime (268222063723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134111031864 + 134111031865.

It is an arithmetic number, because the mean of its divisors is an integer number (134111031865).

Almost surely, 2268222063729 is an apocalyptic number.

It is an amenable number.

268222063729 is a deficient number, since it is larger than the sum of its proper divisors (1).

268222063729 is an equidigital number, since it uses as much as digits as its factorization.

268222063729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 268222063729 in words is "two hundred sixty-eight billion, two hundred twenty-two million, sixty-three thousand, seven hundred twenty-nine".