Base | Representation |
---|---|
bin | 100000010110110… |
… | …1100011000000100 |
3 | 2210122222021221101 |
4 | 1000231230120010 |
5 | 4210421020233 |
6 | 255422425444 |
7 | 35622316426 |
oct | 10055543004 |
9 | 2718867841 |
10 | 1085720068 |
11 | 507951614 |
12 | 263732284 |
13 | 143c21014 |
14 | a42a2816 |
15 | 654b4c7d |
hex | 40b6c604 |
1085720068 has 48 divisors (see below), whose sum is σ = 2003097600. Its totient is φ = 514275840.
The previous prime is 1085720063. The next prime is 1085720071. The reversal of 1085720068 is 8600275801.
It is not an unprimeable number, because it can be changed into a prime (1085720063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341648 + ... + 1342456.
It is an arithmetic number, because the mean of its divisors is an integer number (41731200).
Almost surely, 21085720068 is an apocalyptic number.
It is an amenable number.
1085720068 is a deficient number, since it is larger than the sum of its proper divisors (917377532).
1085720068 is a wasteful number, since it uses less digits than its factorization.
1085720068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 37.
The square root of 1085720068 is about 32950.2665846576. The cubic root of 1085720068 is about 1027.7937089529.
Adding to 1085720068 its reverse (8600275801), we get a palindrome (9685995869).
The spelling of 1085720068 in words is "one billion, eighty-five million, seven hundred twenty thousand, sixty-eight".
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