Base | Representation |
---|---|
bin | 100000000001111111… |
… | …0110111001011110001 |
3 | 20120112211112110010001 |
4 | 1000003332313023301 |
5 | 2111333242143340 |
6 | 51333332510001 |
7 | 4653405536536 |
oct | 1000376671361 |
9 | 216484473101 |
10 | 68786287345 |
11 | 2719907a866 |
12 | 113b847b301 |
13 | 6642b61799 |
14 | 3487756d8d |
15 | 1bc8cb729a |
hex | 1003fb72f1 |
68786287345 has 8 divisors (see below), whose sum is σ = 85206240000. Its totient is φ = 53253899760.
The previous prime is 68786287333. The next prime is 68786287411. The reversal of 68786287345 is 54378268786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68786287345 - 25 = 68786287313 is a prime.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 221891095 + ... + 221891404.
It is an arithmetic number, because the mean of its divisors is an integer number (10650780000).
Almost surely, 268786287345 is an apocalyptic number.
It is an amenable number.
68786287345 is a deficient number, since it is larger than the sum of its proper divisors (16419952655).
68786287345 is a wasteful number, since it uses less digits than its factorization.
68786287345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 443782535.
The product of its digits is 108380160, while the sum is 64.
The spelling of 68786287345 in words is "sixty-eight billion, seven hundred eighty-six million, two hundred eighty-seven thousand, three hundred forty-five".
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