Base | Representation |
---|---|
bin | 1100101010101110… |
… | …01001011110011101 |
3 | 122112221222111110101 |
4 | 12111113021132131 |
5 | 102412003344410 |
6 | 3042501341101 |
7 | 330350122426 |
oct | 62527113635 |
9 | 18487874411 |
10 | 6800840605 |
11 | 297a996229 |
12 | 1399707791 |
13 | 844c84450 |
14 | 48731664d |
15 | 29c0c8d3a |
hex | 1955c979d |
6800840605 has 64 divisors (see below), whose sum is σ = 9451653120. Its totient is φ = 4659379200.
The previous prime is 6800840593. The next prime is 6800840609. The reversal of 6800840605 is 5060480086.
It is not a de Polignac number, because 6800840605 - 25 = 6800840573 is a prime.
It is a super-3 number, since 3×68008406053 (a number of 30 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6800840609) by changing a digit.
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 63 ways as a sum of consecutive naturals, for example, 10576414 + ... + 10577056.
It is an arithmetic number, because the mean of its divisors is an integer number (147682080).
Almost surely, 26800840605 is an apocalyptic number.
6800840605 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
6800840605 is a deficient number, since it is larger than the sum of its proper divisors (2650812515).
6800840605 is a wasteful number, since it uses less digits than its factorization.
6800840605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 902.
The product of its (nonzero) digits is 46080, while the sum is 37.
The square root of 6800840605 is about 82467.2092713219. The cubic root of 6800840605 is about 1894.6145376666.
The spelling of 6800840605 in words is "six billion, eight hundred million, eight hundred forty thousand, six hundred five".
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