Search a number
-
+
116144161 = 7243199277
BaseRepresentation
bin1101110110000…
…11100000100001
322002112201211121
412323003200201
5214213103121
615305212241
72610131500
oct673034041
9262481747
10116144161
115a618911
1232a91081
131b0a6b73
14115d4837
15a2e3141
hex6ec3821

116144161 has 24 divisors (see below), whose sum is σ = 139444800. Its totient is φ = 96399072.

The previous prime is 116144117. The next prime is 116144213. The reversal of 116144161 is 161441611.

It is a happy number.

It is not a de Polignac number, because 116144161 - 217 = 116013089 is a prime.

It is a super-2 number, since 2×1161441612 = 26978932268787842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116114161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419155 + ... + 419431.

It is an arithmetic number, because the mean of its divisors is an integer number (5810200).

Almost surely, 2116144161 is an apocalyptic number.

It is an amenable number.

116144161 is a deficient number, since it is larger than the sum of its proper divisors (23300639).

116144161 is a wasteful number, since it uses less digits than its factorization.

116144161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 526 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 116144161 is about 10777.0200426649. The cubic root of 116144161 is about 487.9018449568.

Adding to 116144161 its reverse (161441611), we get a palindrome (277585772).

The spelling of 116144161 in words is "one hundred sixteen million, one hundred forty-four thousand, one hundred sixty-one".

Divisors: 1 7 43 49 199 277 301 1393 1939 2107 8557 9751 11911 13573 55123 59899 83377 385861 419293 583639 2370289 2701027 16592023 116144161