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1111084868 = 22277771217
BaseRepresentation
bin100001000111001…
…1100111101000100
32212102200221220102
41002032130331010
54233414203433
6302130223232
736351031325
oct10216347504
92772627812
101111084868
115201a6563
12270124b18
1314926228a
14a77c644c
15678254e8
hex4239cf44

1111084868 has 6 divisors (see below), whose sum is σ = 1944398526. Its totient is φ = 555542432.

The previous prime is 1111084867. The next prime is 1111084889. The reversal of 1111084868 is 8684801111.

It can be written as a sum of positive squares in only one way, i.e., 923065924 + 188018944 = 30382^2 + 13712^2 .

It is not an unprimeable number, because it can be changed into a prime (1111084867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138885605 + ... + 138885612.

It is an arithmetic number, because the mean of its divisors is an integer number (324066421).

Almost surely, 21111084868 is an apocalyptic number.

It is an amenable number.

1111084868 is a deficient number, since it is larger than the sum of its proper divisors (833313658).

1111084868 is a wasteful number, since it uses less digits than its factorization.

1111084868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277771221 (or 277771219 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 38.

The square root of 1111084868 is about 33332.9396843423. The cubic root of 1111084868 is about 1035.7360142423.

Adding to 1111084868 its reverse (8684801111), we get a palindrome (9795885979).

The spelling of 1111084868 in words is "one billion, one hundred eleven million, eighty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 277771217 555542434 1111084868