Base | Representation |
---|---|
bin | 111110001011110101… |
… | …010000001011100000 |
3 | 20101100100110221222012 |
4 | 332023311100023200 |
5 | 2043221222033433 |
6 | 50401323332052 |
7 | 4552430622443 |
oct | 761365201340 |
9 | 211310427865 |
10 | 66770502368 |
11 | 26354231769 |
12 | 10b35381028 |
13 | 63b134b6cb |
14 | 3335b4d65a |
15 | 1b0bd37848 |
hex | f8bd502e0 |
66770502368 has 48 divisors (see below), whose sum is σ = 134104667760. Its totient is φ = 32718007296.
The previous prime is 66770502367. The next prime is 66770502397. The reversal of 66770502368 is 86320507766.
It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (66770502361) 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 7 ways as a sum of consecutive naturals, for example, 275723 + ... + 457781.
It is an arithmetic number, because the mean of its divisors is an integer number (2793847245).
Almost surely, 266770502368 is an apocalyptic number.
It is an amenable number.
66770502368 is an abundant number, since it is smaller than the sum of its proper divisors (67334165392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66770502368 is a wasteful number, since it uses less digits than its factorization.
66770502368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182299 (or 182291 counting only the distinct ones).
The product of its (nonzero) digits is 2540160, while the sum is 50.
The spelling of 66770502368 in words is "sixty-six billion, seven hundred seventy million, five hundred two thousand, three hundred sixty-eight".
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