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16768133 is a prime number
BaseRepresentation
bin111111111101…
…110010000101
31011112220112222
4333331302011
513243040013
61355222125
7262345454
oct77756205
934486488
1016768133
119513168
125747945
133621395
142326b9b
151713508
hexffdc85

16768133 has 2 divisors, whose sum is σ = 16768134. Its totient is φ = 16768132.

The previous prime is 16768111. The next prime is 16768153. The reversal of 16768133 is 33186761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14002564 + 2765569 = 3742^2 + 1663^2 .

It is an emirp because it is prime and its reverse (33186761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16768133 - 218 = 16505989 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 16768093 and 16768102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16768153) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8384066 + 8384067.

It is an arithmetic number, because the mean of its divisors is an integer number (8384067).

Almost surely, 216768133 is an apocalyptic number.

It is an amenable number.

16768133 is a deficient number, since it is larger than the sum of its proper divisors (1).

16768133 is an equidigital number, since it uses as much as digits as its factorization.

16768133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 16768133 is about 4094.8910852427. The cubic root of 16768133 is about 255.9537931333.

The spelling of 16768133 in words is "sixteen million, seven hundred sixty-eight thousand, one hundred thirty-three".