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228586792769280 = 28325112238818093
BaseRepresentation
bin110011111110011000000010…
…100101010101011100000000
31002222100200110121121012000100
4303332120002211111130000
5214430131222422104110
62130055153425122400
766101564550525111
oct6376300245253400
91088320417535010
10228586792769280
1166920129300200
122177979a489400
139a7184680603a
1440639346d4208
151b661014bebc0
hexcfe602955700

228586792769280 has 1296 divisors, whose sum is σ = 908259963444288. Its totient is φ = 52938925670400.

The previous prime is 228586792769249. The next prime is 228586792769327. The reversal of 228586792769280 is 82967297685822.

It is a happy number.

228586792769280 is a `hidden beast` number, since 2 + 2 + 8 + 5 + 8 + 67 + 9 + 276 + 9 + 280 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 228586792769280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 28244996914 + ... + 28245005006.

It is an arithmetic number, because the mean of its divisors is an integer number (700817873028).

Almost surely, 2228586792769280 is an apocalyptic number.

228586792769280 is a gapful number since it is divisible by the number (20) 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 228586792769280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454129981722144).

228586792769280 is an abundant number, since it is smaller than the sum of its proper divisors (679673170675008).

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

228586792769280 is a wasteful number, since it uses less digits than its factorization.

228586792769280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046 (or 9018 counting only the distinct ones).

The product of its (nonzero) digits is 5852528640, while the sum is 81.

The spelling of 228586792769280 in words is "two hundred twenty-eight trillion, five hundred eighty-six billion, seven hundred ninety-two million, seven hundred sixty-nine thousand, two hundred eighty".