Base | Representation |
---|---|
bin | 111101111001110100… |
… | …011001000000000011 |
3 | 20100120021210210200200 |
4 | 331321310121000003 |
5 | 2042111340131332 |
6 | 50311330020243 |
7 | 4542101053512 |
oct | 757164310003 |
9 | 210507723620 |
10 | 66468286467 |
11 | 26209684460 |
12 | 10a70117683 |
13 | 636385612b |
14 | 3307960679 |
15 | 1ae053c17c |
hex | f79d19003 |
66468286467 has 36 divisors (see below), whose sum is σ = 107014138296. Its totient is φ = 39426577920.
The previous prime is 66468286457. The next prime is 66468286471. The reversal of 66468286467 is 76468286466.
It is not a de Polignac number, because 66468286467 - 214 = 66468270083 is a prime.
It is not an unprimeable number, because it can be changed into a prime (66468286427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66723 + ... + 370659.
Almost surely, 266468286467 is an apocalyptic number.
66468286467 is a deficient number, since it is larger than the sum of its proper divisors (40545851829).
66468286467 is a wasteful number, since it uses less digits than its factorization.
66468286467 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 304048 (or 303998 counting only the distinct ones).
The product of its digits is 111476736, while the sum is 63.
Subtracting 66468286467 from its reverse (76468286466), we obtain a palindrome (9999999999).
The spelling of 66468286467 in words is "sixty-six billion, four hundred sixty-eight million, two hundred eighty-six thousand, four hundred sixty-seven".
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