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1110110161 is a prime number
BaseRepresentation
bin100001000101010…
…1110111111010001
32212100212102212011
41002022232333101
54233142011121
6302053302521
736336531526
oct10212567721
92770772764
101110110161
1151a6a0216
1226b934a41
13148cb0724
14a761114d
15676d17e1
hex422aefd1

1110110161 has 2 divisors, whose sum is σ = 1110110162. Its totient is φ = 1110110160.

The previous prime is 1110110159. The next prime is 1110110171. The reversal of 1110110161 is 1610110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 673091136 + 437019025 = 25944^2 + 20905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110110161 - 21 = 1110110159 is a prime.

Together with 1110110159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1110110171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555055080 + 555055081.

It is an arithmetic number, because the mean of its divisors is an integer number (555055081).

Almost surely, 21110110161 is an apocalyptic number.

It is an amenable number.

1110110161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110110161 is an equidigital number, since it uses as much as digits as its factorization.

1110110161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 13.

The square root of 1110110161 is about 33318.3156987264. The cubic root of 1110110161 is about 1035.4330567381.

Adding to 1110110161 its reverse (1610110111), we get a palindrome (2720220272).

The spelling of 1110110161 in words is "one billion, one hundred ten million, one hundred ten thousand, one hundred sixty-one".