Base | Representation |
---|---|
bin | 1100110110000000011100… |
… | …00110101110000000000000 |
3 | 10201000002112211222011220000 |
4 | 12123000032012232000000 |
5 | 12200222043021041200 |
6 | 140023030532520000 |
7 | 5643362126201151 |
oct | 633001606560000 |
9 | 121002484864800 |
10 | 28243941580800 |
11 | 8aaa208782500 |
12 | 3201a46a80000 |
13 | 129b513a5573a |
14 | 6d902a853928 |
15 | 33ea52cdd300 |
hex | 19b00e1ae000 |
28243941580800 has 1260 divisors, whose sum is σ = 115013273059608. Its totient is φ = 6846529536000.
The previous prime is 28243941580693. The next prime is 28243941580853. The reversal of 28243941580800 is 808514934282.
28243941580800 is a `hidden beast` number, since 2 + 8 + 24 + 39 + 4 + 1 + 580 + 8 + 0 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 2007237765 + ... + 2007251835.
Almost surely, 228243941580800 is an apocalyptic number.
28243941580800 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 28243941580800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57506636529804).
28243941580800 is an abundant number, since it is smaller than the sum of its proper divisors (86769331478808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28243941580800 is a wasteful number, since it uses less digits than its factorization.
28243941580800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14141 (or 14092 counting only the distinct ones).
The product of its (nonzero) digits is 4423680, while the sum is 54.
The spelling of 28243941580800 in words is "twenty-eight trillion, two hundred forty-three billion, nine hundred forty-one million, five hundred eighty thousand, eight hundred".
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