Base | Representation |
---|---|
bin | 1011010100000010000… |
… | …10110110111011000001 |
3 | 1101011100000022221121002 |
4 | 11222001002312323001 |
5 | 22332040242114003 |
6 | 454323304341345 |
7 | 40040435023433 |
oct | 5520102667301 |
9 | 1334300287532 |
10 | 388712066753 |
11 | 13a94091204a |
12 | 63402a74855 |
13 | 2a869b7c3ba |
14 | 14b56d80653 |
15 | a1a0930a88 |
hex | 5a810b6ec1 |
388712066753 has 4 divisors (see below), whose sum is σ = 388716109188. Its totient is φ = 388708024320.
The previous prime is 388712066723. The next prime is 388712066761. The reversal of 388712066753 is 357660217883.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 357660217883 = 347 ⋅1030721089.
It can be written as a sum of positive squares in 2 ways, for example, as 280070633089 + 108641433664 = 529217^2 + 329608^2 .
It is a cyclic number.
It is not a de Polignac number, because 388712066753 - 26 = 388712066689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (388712066723) 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 3 ways as a sum of consecutive naturals, for example, 1873376 + ... + 2070497.
It is an arithmetic number, because the mean of its divisors is an integer number (97179027297).
Almost surely, 2388712066753 is an apocalyptic number.
It is an amenable number.
388712066753 is a deficient number, since it is larger than the sum of its proper divisors (4042435).
388712066753 is an equidigital number, since it uses as much as digits as its factorization.
388712066753 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4042434.
The product of its (nonzero) digits is 10160640, while the sum is 56.
The spelling of 388712066753 in words is "three hundred eighty-eight billion, seven hundred twelve million, sixty-six thousand, seven hundred fifty-three".
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