Base | Representation |
---|---|
bin | 11110010101101111010010… |
… | …11110001011101100110111 |
3 | 22202020010220022202011101000 |
4 | 33022313221132023230313 |
5 | 32221100213331343333 |
6 | 353521355035134343 |
7 | 20024122262052432 |
oct | 1712675136135467 |
9 | 282203808664330 |
10 | 66717644012343 |
11 | 1a2928807a0835 |
12 | 75963abba43b3 |
13 | 2b2c5a69070bc |
14 | 1269218c6c819 |
15 | 7aa72bacd713 |
hex | 3cade978bb37 |
66717644012343 has 32 divisors (see below), whose sum is σ = 100749459502080. Its totient is φ = 43620328271520.
The previous prime is 66717644012207. The next prime is 66717644012359. The reversal of 66717644012343 is 34321044671766.
66717644012343 is a `hidden beast` number, since 6 + 6 + 7 + 1 + 76 + 440 + 123 + 4 + 3 = 666.
It is not a de Polignac number, because 66717644012343 - 232 = 66713349045047 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 66717644012343.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66717644002343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6780171 + ... + 13394252.
It is an arithmetic number, because the mean of its divisors is an integer number (3148420609440).
Almost surely, 266717644012343 is an apocalyptic number.
66717644012343 is a deficient number, since it is larger than the sum of its proper divisors (34031815489737).
66717644012343 is a wasteful number, since it uses less digits than its factorization.
66717644012343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20176796 (or 20176790 counting only the distinct ones).
The product of its (nonzero) digits is 12192768, while the sum is 54.
The spelling of 66717644012343 in words is "sixty-six trillion, seven hundred seventeen billion, six hundred forty-four million, twelve thousand, three hundred forty-three".
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