Base | Representation |
---|---|
bin | 10111100010100011000… |
… | …11011000100000000110 |
3 | 2212022201012102220202110 |
4 | 23301101203120200012 |
5 | 101222431423102132 |
6 | 1415322344121450 |
7 | 112302236154246 |
oct | 13612143304006 |
9 | 2768635386673 |
10 | 808822081542 |
11 | 292023a85182 |
12 | 110908a66286 |
13 | 5b36b904377 |
14 | 2b20bca5b26 |
15 | 1608ca771cc |
hex | bc518d8806 |
808822081542 has 8 divisors (see below), whose sum is σ = 1617644163096. Its totient is φ = 269607360512.
The previous prime is 808822081531. The next prime is 808822081547. The reversal of 808822081542 is 245180228808.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
808822081542 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 808822081491 and 808822081500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (808822081547) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67401840123 + ... + 67401840134.
It is an arithmetic number, because the mean of its divisors is an integer number (202205520387).
Almost surely, 2808822081542 is an apocalyptic number.
808822081542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808822081542 is a wasteful number, since it uses less digits than its factorization.
808822081542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134803680262.
The product of its (nonzero) digits is 655360, while the sum is 48.
The spelling of 808822081542 in words is "eight hundred eight billion, eight hundred twenty-two million, eighty-one thousand, five hundred forty-two".
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