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1113468889 = 1385651453
BaseRepresentation
bin100001001011110…
…0010111111011001
32212121012002011111
41002113202333121
54240022001024
6302253300321
736410220661
oct10227427731
92777162144
101113468889
11521584725
12270a946a1
131498b8440
14a7c471a1
1567b46a94
hex425e2fd9

1113468889 has 4 divisors (see below), whose sum is σ = 1199120356. Its totient is φ = 1027817424.

The previous prime is 1113468887. The next prime is 1113468901. The reversal of 1113468889 is 9888643111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9888643111 = 10477943843.

It can be written as a sum of positive squares in 2 ways, for example, as 122478489 + 990990400 = 11067^2 + 31480^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113468889 - 21 = 1113468887 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1113468887) 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 3 ways as a sum of consecutive naturals, for example, 42825714 + ... + 42825739.

It is an arithmetic number, because the mean of its divisors is an integer number (299780089).

Almost surely, 21113468889 is an apocalyptic number.

It is an amenable number.

1113468889 is a deficient number, since it is larger than the sum of its proper divisors (85651467).

1113468889 is an equidigital number, since it uses as much as digits as its factorization.

1113468889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85651466.

The product of its digits is 331776, while the sum is 49.

The square root of 1113468889 is about 33368.6812595284. The cubic root of 1113468889 is about 1036.4762674671.

It can be divided in two parts, 11 and 13468889, that added together give a square (13468900 = 36702).

The spelling of 1113468889 in words is "one billion, one hundred thirteen million, four hundred sixty-eight thousand, eight hundred eighty-nine".

Divisors: 1 13 85651453 1113468889