Base | Representation |
---|---|
bin | 1100111110011110010111… |
… | …10001001111010101100000 |
3 | 10202000220112022000220000100 |
4 | 12133033023301033111200 |
5 | 12220003421411230143 |
6 | 140404425034422400 |
7 | 6003402041463225 |
oct | 637171361172540 |
9 | 122026468026010 |
10 | 28534886430048 |
11 | 9101639539a39 |
12 | 324a303891a00 |
13 | 12bca9c86437b |
14 | 70914b10594c |
15 | 3473d05296d3 |
hex | 19f3cbc4f560 |
28534886430048 has 72 divisors (see below), whose sum is σ = 81207605278800. Its totient is φ = 9504417441024.
The previous prime is 28534886430007. The next prime is 28534886430053. The reversal of 28534886430048 is 84003468843582.
28534886430048 is a `hidden beast` number, since 2 + 8 + 53 + 488 + 64 + 3 + 0 + 0 + 48 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37178683 + ... + 37938426.
It is an arithmetic number, because the mean of its divisors is an integer number (1127883406650).
Almost surely, 228534886430048 is an apocalyptic number.
It is an amenable number.
28534886430048 is an abundant number, since it is smaller than the sum of its proper divisors (52672718848752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28534886430048 is a wasteful number, since it uses less digits than its factorization.
28534886430048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75118444 (or 75118433 counting only the distinct ones).
The product of its (nonzero) digits is 141557760, while the sum is 63.
The spelling of 28534886430048 in words is "twenty-eight trillion, five hundred thirty-four billion, eight hundred eighty-six million, four hundred thirty thousand, forty-eight".
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