Base | Representation |
---|---|
bin | 1101001011011111111111… |
… | …00001000111000001010000 |
3 | 10210121200201110111121201010 |
4 | 12211233333201013001100 |
5 | 12244322004342400241 |
6 | 141350202312410520 |
7 | 6050624443420530 |
oct | 645577741070120 |
9 | 123550643447633 |
10 | 28982431215696 |
11 | 926441a93a512 |
12 | 3300ba56a6a40 |
13 | 1323054393b6a |
14 | 722a858c54c0 |
15 | 353d75e86d16 |
hex | 1a5bff847050 |
28982431215696 has 320 divisors, whose sum is σ = 87994619412480. Its totient is φ = 8047784263680.
The previous prime is 28982431215637. The next prime is 28982431215707. The reversal of 28982431215696 is 69651213428982.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3354055536 + ... + 3354064176.
It is an arithmetic number, because the mean of its divisors is an integer number (274983185664).
Almost surely, 228982431215696 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28982431215696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43997309706240).
28982431215696 is an abundant number, since it is smaller than the sum of its proper divisors (59012188196784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28982431215696 is a wasteful number, since it uses less digits than its factorization.
28982431215696 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9834 (or 9828 counting only the distinct ones).
The product of its digits is 89579520, while the sum is 66.
The spelling of 28982431215696 in words is "twenty-eight trillion, nine hundred eighty-two billion, four hundred thirty-one million, two hundred fifteen thousand, six hundred ninety-six".
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