Base | Representation |
---|---|
bin | 1100110110100010100111… |
… | …00010000111111111100010 |
3 | 10201001211220022201112222000 |
4 | 12123101103202013333202 |
5 | 12201022130240342432 |
6 | 140035303131024430 |
7 | 5644611541336344 |
oct | 633212342077742 |
9 | 121054808645860 |
10 | 28262286262242 |
11 | 9006a7188715a |
12 | 320550659b116 |
13 | 12a01784c9426 |
14 | 6d9c8ad65294 |
15 | 34027857e57c |
hex | 19b453887fe2 |
28262286262242 has 16 divisors (see below), whose sum is σ = 62805080582880. Its totient is φ = 9420762087396.
The previous prime is 28262286262241. The next prime is 28262286262291. The reversal of 28262286262242 is 24226268226282.
28262286262242 is a `hidden beast` number, since 2 + 8 + 2 + 6 + 2 + 2 + 8 + 6 + 2 + 622 + 4 + 2 = 666.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 523375671523 = 28262286262242 / (2 + 8 + 2 + 6 + 2 + 2 + 8 + 6 + 2 + 6 + 2 + 2 + 4 + 2).
It is not an unprimeable number, because it can be changed into a prime (28262286262241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261687835708 + ... + 261687835815.
It is an arithmetic number, because the mean of its divisors is an integer number (3925317536430).
Almost surely, 228262286262242 is an apocalyptic number.
28262286262242 is an abundant number, since it is smaller than the sum of its proper divisors (34542794320638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28262286262242 is a wasteful number, since it uses less digits than its factorization.
28262286262242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 523375671534 (or 523375671528 counting only the distinct ones).
The product of its digits is 14155776, while the sum is 54.
The spelling of 28262286262242 in words is "twenty-eight trillion, two hundred sixty-two billion, two hundred eighty-six million, two hundred sixty-two thousand, two hundred forty-two".
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