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12224008080 = 243552921683
BaseRepresentation
bin10110110001001101…
…11000111110010000
31011112220121221200000
423120212320332100
5200013321224310
65340550530000
7611631232344
oct133046707620
934486557600
1012224008080
115203152219
122451966900
1311ca6a669b
1483d68d624
154b826d4c0
hex2d89b8f90

12224008080 has 240 divisors, whose sum is σ = 44042806080. Its totient is φ = 3147185664.

The previous prime is 12224007989. The next prime is 12224008087. The reversal of 12224008080 is 8080042221.

12224008080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12224008087) 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 47 ways as a sum of consecutive naturals, for example, 552919 + ... + 574601.

It is an arithmetic number, because the mean of its divisors is an integer number (183511692).

Almost surely, 212224008080 is an apocalyptic number.

12224008080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12224008080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22021403040).

12224008080 is an abundant number, since it is smaller than the sum of its proper divisors (31818798000).

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

12224008080 is a wasteful number, since it uses less digits than its factorization.

12224008080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21740 (or 21722 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The spelling of 12224008080 in words is "twelve billion, two hundred twenty-four million, eight thousand, eighty".