Base | Representation |
---|---|
bin | 1101000110110011000100… |
… | …11100110110011011010000 |
3 | 10210001020201211200201000100 |
4 | 12203121202130312123100 |
5 | 12234200131331130123 |
6 | 141144044110252400 |
7 | 6033145221241251 |
oct | 643314234663320 |
9 | 123036654621010 |
10 | 28820882286288 |
11 | 920195a767804 |
12 | 329581b1b7100 |
13 | 1310a4a262c81 |
14 | 718d1c3b2b28 |
15 | 34ea6d537643 |
hex | 1a36627366d0 |
28820882286288 has 60 divisors (see below), whose sum is σ = 80658803799808. Its totient is φ = 9606917597760.
The previous prime is 28820882286281. The next prime is 28820882286311. The reversal of 28820882286288 is 88268228802882.
28820882286288 is a `hidden beast` number, since 28 + 8 + 20 + 88 + 228 + 6 + 288 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28820882286281) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58025331 + ... + 58519917.
Almost surely, 228820882286288 is an apocalyptic number.
It is an amenable number.
28820882286288 is an abundant number, since it is smaller than the sum of its proper divisors (51837921513520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28820882286288 is a wasteful number, since it uses less digits than its factorization.
28820882286288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 899272 (or 899263 counting only the distinct ones).
The product of its (nonzero) digits is 402653184, while the sum is 72.
The spelling of 28820882286288 in words is "twenty-eight trillion, eight hundred twenty billion, eight hundred eighty-two million, two hundred eighty-six thousand, two hundred eighty-eight".
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