Base | Representation |
---|---|
bin | 101111111001010101… |
… | …1101011101101000011 |
3 | 100211111012022021012000 |
4 | 1133302223223231003 |
5 | 3141122040112113 |
6 | 115130140235043 |
7 | 10300601515056 |
oct | 1376253535503 |
9 | 324435267160 |
10 | 102855785283 |
11 | 3a691455929 |
12 | 17b2623ba83 |
13 | 991236c414 |
14 | 4d9a446a9d |
15 | 2a1ece3373 |
hex | 17f2aebb43 |
102855785283 has 16 divisors (see below), whose sum is σ = 152383887360. Its totient is φ = 68568297768.
The previous prime is 102855785281. The next prime is 102855785297. The reversal of 102855785283 is 382587558201.
102855785283 is a `hidden beast` number, since 1 + 0 + 2 + 8 + 557 + 8 + 5 + 2 + 83 = 666.
It is not a de Polignac number, because 102855785283 - 21 = 102855785281 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102855785281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1538866 + ... + 1604312.
It is an arithmetic number, because the mean of its divisors is an integer number (9523992960).
Almost surely, 2102855785283 is an apocalyptic number.
102855785283 is a deficient number, since it is larger than the sum of its proper divisors (49528102077).
102855785283 is an equidigital number, since it uses as much as digits as its factorization.
102855785283 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123663 (or 123657 counting only the distinct ones).
The product of its (nonzero) digits is 5376000, while the sum is 54.
The spelling of 102855785283 in words is "one hundred two billion, eight hundred fifty-five million, seven hundred eighty-five thousand, two hundred eighty-three".
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