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8916188849 = 17372383113
BaseRepresentation
bin10000100110111001…
…00011111010110001
3212000101101022201122
420103130203322301
5121230021020344
64032424512025
7433644232451
oct102334437261
925011338648
108916188849
113865a57717
12188a01b615
13ac12b72b9
14608239d61
15372b73aee
hex213723eb1

8916188849 has 12 divisors (see below), whose sum is σ = 9702745164. Its totient is φ = 8164882944.

The previous prime is 8916188837. The next prime is 8916188863. The reversal of 8916188849 is 9488816198.

8916188849 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1662600625 + 7253588224 = 40775^2 + 85168^2 .

It is not a de Polignac number, because 8916188849 - 216 = 8916123313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8916188791 and 8916188800.

It is not an unprimeable number, because it can be changed into a prime (8916188819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168284 + ... + 214829.

It is an arithmetic number, because the mean of its divisors is an integer number (808562097).

Almost surely, 28916188849 is an apocalyptic number.

It is an amenable number.

8916188849 is a deficient number, since it is larger than the sum of its proper divisors (786556315).

8916188849 is a wasteful number, since it uses less digits than its factorization.

8916188849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383204 (or 383167 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 62.

The square root of 8916188849 is about 94425.5730668340. The cubic root of 8916188849 is about 2073.6068530399.

The spelling of 8916188849 in words is "eight billion, nine hundred sixteen million, one hundred eighty-eight thousand, eight hundred forty-nine".

Divisors: 1 17 37 629 1369 23273 383113 6512921 14175181 240978077 524481697 8916188849