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28080141000 = 23353173117761
BaseRepresentation
bin11010001001101101…
…001111001011001000
32200110221201221221020
4122021231033023020
5430002004003000
620522210512440
72012565155202
oct321155171310
980427657836
1028080141000
11109aa5645aa
125537b95720
1328566ca362
141505491772
15ae52e6ba0
hex689b4f2c8

28080141000 has 256 divisors, whose sum is σ = 95761336320. Its totient is φ = 6819840000.

The previous prime is 28080140981. The next prime is 28080141029. The reversal of 28080141000 is 14108082.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1572120 + ... + 1589880.

It is an arithmetic number, because the mean of its divisors is an integer number (374067720).

Almost surely, 228080141000 is an apocalyptic number.

28080141000 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 28080141000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47880668160).

28080141000 is an abundant number, since it is smaller than the sum of its proper divisors (67681195320).

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

28080141000 is a wasteful number, since it uses less digits than its factorization.

28080141000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17833 (or 17819 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 28080141000 its reverse (14108082), we get a palindrome (28094249082).

The spelling of 28080141000 in words is "twenty-eight billion, eighty million, one hundred forty-one thousand".