Base | Representation |
---|---|
bin | 100000010000110110… |
… | …1100000110100010001 |
3 | 20121211121001111202100 |
4 | 1000201231200310101 |
5 | 2113343433241021 |
6 | 51455031111013 |
7 | 5001643154055 |
oct | 1004155406421 |
9 | 217747044670 |
10 | 69285055761 |
11 | 27424675969 |
12 | 11517512469 |
13 | 66c22a511c |
14 | 34d3aabc65 |
15 | 1c0798a626 |
hex | 1021b60d11 |
69285055761 has 24 divisors (see below), whose sum is σ = 101846122560. Its totient is φ = 45375271776.
The previous prime is 69285055733. The next prime is 69285055783. The reversal of 69285055761 is 16755058296.
69285055761 is a `hidden beast` number, since 6 + 9 + 2 + 85 + 0 + 557 + 6 + 1 = 666.
It is not a de Polignac number, because 69285055761 - 29 = 69285055249 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 69285055698 and 69285055707.
It is not an unprimeable number, because it can be changed into a prime (69285055061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 723271 + ... + 813443.
It is an arithmetic number, because the mean of its divisors is an integer number (4243588440).
Almost surely, 269285055761 is an apocalyptic number.
It is an amenable number.
69285055761 is a deficient number, since it is larger than the sum of its proper divisors (32561066799).
69285055761 is a wasteful number, since it uses less digits than its factorization.
69285055761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91685 (or 91682 counting only the distinct ones).
The product of its (nonzero) digits is 4536000, while the sum is 54.
The spelling of 69285055761 in words is "sixty-nine billion, two hundred eighty-five million, fifty-five thousand, seven hundred sixty-one".
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