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28043127000 = 23325373183173
BaseRepresentation
bin11010000111100000…
…000010100011011000
32200101101002110021100
4122013200002203120
5424413020031000
620514405311400
72011635434520
oct320740024330
980341073240
1028043127000
1110990683419
125527705560
13284bb3a995
1415005b8680
15ae1e34a00
hex6878028d8

28043127000 has 768 divisors, whose sum is σ = 113822392320. Its totient is φ = 6092928000.

The previous prime is 28043126999. The next prime is 28043127029. The reversal of 28043127000 is 72134082.

28043127000 is a `hidden beast` number, since 280 + 4 + 312 + 70 + 0 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 162098914 + ... + 162099086.

It is an arithmetic number, because the mean of its divisors is an integer number (148206240).

Almost surely, 228043127000 is an apocalyptic number.

28043127000 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 28043127000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56911196160).

28043127000 is an abundant number, since it is smaller than the sum of its proper divisors (85779265320).

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

28043127000 is a wasteful number, since it uses less digits than its factorization.

28043127000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 28043127000 in words is "twenty-eight billion, forty-three million, one hundred twenty-seven thousand".