Base | Representation |
---|---|
bin | 1100111011001111101000… |
… | …10001101110000000000000 |
3 | 10201122022001020121201120000 |
4 | 12131213310101232000000 |
5 | 12211144120100230300 |
6 | 140241431415320000 |
7 | 5662362443056440 |
oct | 635476421560000 |
9 | 121568036551500 |
10 | 28423896883200 |
11 | 9069563865715 |
12 | 32308a9680000 |
13 | 12b249234a1b0 |
14 | 703a1c736120 |
15 | 344586617c00 |
hex | 19d9f446e000 |
28423896883200 has 3360 divisors, whose sum is σ = 136552666736640. Its totient is φ = 5675758387200.
The previous prime is 28423896883183. The next prime is 28423896883243. The reversal of 28423896883200 is 238869832482.
28423896883200 is a `hidden beast` number, since 2 + 8 + 42 + 389 + 6 + 8 + 8 + 3 + 200 = 666.
It is a tau number, because it is divible by the number of its divisors (3360).
It is a Harshad number since it is a multiple of its sum of digits (63).
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 239 ways as a sum of consecutive naturals, for example, 28682034705 + ... + 28682035695.
It is an arithmetic number, because the mean of its divisors is an integer number (40640674624).
Almost surely, 228423896883200 is an apocalyptic number.
28423896883200 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 28423896883200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68276333368320).
28423896883200 is an abundant number, since it is smaller than the sum of its proper divisors (108128769853440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28423896883200 is a wasteful number, since it uses less digits than its factorization.
28423896883200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1078 (or 1040 counting only the distinct ones).
The product of its (nonzero) digits is 63700992, while the sum is 63.
The spelling of 28423896883200 in words is "twenty-eight trillion, four hundred twenty-three billion, eight hundred ninety-six million, eight hundred eighty-three thousand, two hundred".
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