Base | Representation |
---|---|
bin | 111111111100000010… |
… | …110000111001011111 |
3 | 20120012112220110001200 |
4 | 333330002300321133 |
5 | 2111100142424242 |
6 | 51312214010543 |
7 | 4650200441322 |
oct | 777402607137 |
9 | 216175813050 |
10 | 68653092447 |
11 | 2712a976535 |
12 | 1137b946a53 |
13 | 6621397a34 |
14 | 3473ba47b9 |
15 | 1bbc25704c |
hex | ffc0b0e5f |
68653092447 has 6 divisors (see below), whose sum is σ = 99165577992. Its totient is φ = 45768728292.
The previous prime is 68653092439. The next prime is 68653092457. The reversal of 68653092447 is 74429035686.
68653092447 is a `hidden beast` number, since 6 + 86 + 5 + 30 + 92 + 447 = 666.
It is not a de Polignac number, because 68653092447 - 23 = 68653092439 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68653092393 and 68653092402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68653092427) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3814060683 + ... + 3814060700.
It is an arithmetic number, because the mean of its divisors is an integer number (16527596332).
Almost surely, 268653092447 is an apocalyptic number.
68653092447 is a deficient number, since it is larger than the sum of its proper divisors (30512485545).
68653092447 is a wasteful number, since it uses less digits than its factorization.
68653092447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7628121389 (or 7628121386 counting only the distinct ones).
The product of its (nonzero) digits is 8709120, while the sum is 54.
The spelling of 68653092447 in words is "sixty-eight billion, six hundred fifty-three million, ninety-two thousand, four hundred forty-seven".
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