Base | Representation |
---|---|
bin | 110000000100100… |
… | …111000001111101 |
3 | 2002012121012100000 |
4 | 300010213001331 |
5 | 3122431433223 |
6 | 212010224513 |
7 | 25662156066 |
oct | 6004470175 |
9 | 2065535300 |
10 | 806514813 |
11 | 384290575 |
12 | 1a6125139 |
13 | cb124300 |
14 | 7918356d |
15 | 4ac12543 |
hex | 3012707d |
806514813 has 72 divisors (see below), whose sum is σ = 1342897920. Its totient is φ = 483200640.
The previous prime is 806514791. The next prime is 806514829. The reversal of 806514813 is 318415608.
It is not a de Polignac number, because 806514813 - 213 = 806506621 is a prime.
It is a super-2 number, since 2×8065148132 = 1300932287176849938, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (806514013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1683508 + ... + 1683986.
It is an arithmetic number, because the mean of its divisors is an integer number (18651360).
Almost surely, 2806514813 is an apocalyptic number.
It is an amenable number.
806514813 is a deficient number, since it is larger than the sum of its proper divisors (536383107).
806514813 is a wasteful number, since it uses less digits than its factorization.
806514813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 561 (or 536 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 806514813 is about 28399.2044430826. The cubic root of 806514813 is about 930.8308807623.
The spelling of 806514813 in words is "eight hundred six million, five hundred fourteen thousand, eight hundred thirteen".
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