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1118681088 = 2113719372
BaseRepresentation
bin100001010101101…
…1011100000000000
32212221222212221220
41002223123200000
54242340243323
6303001115040
736502426620
oct10253334000
92787885856
101118681088
11524514728
12272788a80
1314a9c1995
14a8802880
15683260e3
hex42adb800

1118681088 has 288 divisors, whose sum is σ = 3687465600. Its totient is φ = 294617088.

The previous prime is 1118681033. The next prime is 1118681099. The reversal of 1118681088 is 8801868111.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30234606 + ... + 30234642.

It is an arithmetic number, because the mean of its divisors is an integer number (12803700).

Almost surely, 21118681088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118681088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1843732800).

1118681088 is an abundant number, since it is smaller than the sum of its proper divisors (2568784512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1118681088 is an equidigital number, since it uses as much as digits as its factorization.

1118681088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 42.

The square root of 1118681088 is about 33446.6902398429. The cubic root of 1118681088 is about 1038.0910148474.

The spelling of 1118681088 in words is "one billion, one hundred eighteen million, six hundred eighty-one thousand, eighty-eight".