Search a number
-
+
28423046446080 = 210351113128910039
BaseRepresentation
bin1100111011001110000011…
…00101100011110000000000
310201122012211222101001010220
412131213001211203300000
512211140344342233310
6140241211155423040
75662332405345066
oct635470145436000
9121565758331126
1028423046446080
119069167805720
1232306b08b4a80
1312b23880b7c70
1470397b7dc036
15344536b2b670
hex19d9c1963c00

28423046446080 has 704 divisors, whose sum is σ = 106896082406400. Its totient is φ = 6354834554880.

The previous prime is 28423046446033. The next prime is 28423046446121. The reversal of 28423046446080 is 8064464032482.

It is a tau number, because it is divible by the number of its divisors (704).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2831257701 + ... + 2831267739.

Almost surely, 228423046446080 is an apocalyptic number.

28423046446080 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 28423046446080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53448041203200).

28423046446080 is an abundant number, since it is smaller than the sum of its proper divisors (78473035960320).

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

28423046446080 is a wasteful number, since it uses less digits than its factorization.

28423046446080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11380 (or 11362 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 51.

The spelling of 28423046446080 in words is "twenty-eight trillion, four hundred twenty-three billion, forty-six million, four hundred forty-six thousand, eighty".