Base | Representation |
---|---|
bin | 111101110110001100… |
… | …011001010110000011 |
3 | 20100102001101000211020 |
4 | 331312030121112003 |
5 | 2042000303023332 |
6 | 50301314320523 |
7 | 4540432120422 |
oct | 756614312603 |
9 | 210361330736 |
10 | 66407470467 |
11 | 261883164a8 |
12 | 10a53889143 |
13 | 6354081930 |
14 | 32dd84d2b9 |
15 | 1ada02782c |
hex | f76319583 |
66407470467 has 16 divisors (see below), whose sum is σ = 95359084800. Its totient is φ = 40864092192.
The previous prime is 66407470439. The next prime is 66407470489. The reversal of 66407470467 is 76407470466.
It is not a de Polignac number, because 66407470467 - 211 = 66407468419 is a prime.
It is not an unprimeable number, because it can be changed into a prime (66407470427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225338 + ... + 1278384.
It is an arithmetic number, because the mean of its divisors is an integer number (5959942800).
Almost surely, 266407470467 is an apocalyptic number.
66407470467 is a deficient number, since it is larger than the sum of its proper divisors (28951614333).
66407470467 is a wasteful number, since it uses less digits than its factorization.
66407470467 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85162.
The product of its (nonzero) digits is 4741632, while the sum is 51.
Subtracting 66407470467 from its reverse (76407470466), we obtain a palindrome (9999999999).
The spelling of 66407470467 in words is "sixty-six billion, four hundred seven million, four hundred seventy thousand, four hundred sixty-seven".
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