Base | Representation |
---|---|
bin | 1101000100110000100011… |
… | …11110001011101100000000 |
3 | 10202210112212120012110210000 |
4 | 12202120101332023230000 |
5 | 12232023131010433041 |
6 | 141051535125440000 |
7 | 6025114636543002 |
oct | 642302176135400 |
9 | 122715776173700 |
10 | 28750812592896 |
11 | 91851731a3a99 |
12 | 3284124b70000 |
13 | 1307261556534 |
14 | 715792418372 |
15 | 34cd1bc5bbb6 |
hex | 1a2611f8bb00 |
28750812592896 has 360 divisors, whose sum is σ = 92340512707520. Its totient is φ = 8868054472704.
The previous prime is 28750812592811. The next prime is 28750812592919. The reversal of 28750812592896 is 69829521805782.
28750812592896 is a `hidden beast` number, since 2 + 8 + 7 + 508 + 1 + 2 + 5 + 9 + 28 + 96 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
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 39 ways as a sum of consecutive naturals, for example, 16092771 + ... + 17789853.
Almost surely, 228750812592896 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 28750812592896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46170256353760).
28750812592896 is an abundant number, since it is smaller than the sum of its proper divisors (63589700114624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28750812592896 is a wasteful number, since it uses less digits than its factorization.
28750812592896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1697173 (or 1697150 counting only the distinct ones).
The product of its (nonzero) digits is 348364800, while the sum is 72.
The spelling of 28750812592896 in words is "twenty-eight trillion, seven hundred fifty billion, eight hundred twelve million, five hundred ninety-two thousand, eight hundred ninety-six".
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