Base | Representation |
---|---|
bin | 110000001100110… |
… | …101010100110001 |
3 | 2002100122201101202 |
4 | 300030311110301 |
5 | 3124004424023 |
6 | 212124340545 |
7 | 26016404660 |
oct | 6014652461 |
9 | 2070581352 |
10 | 808670513 |
11 | 385523142 |
12 | 1a69a4755 |
13 | cb6ca581 |
14 | 79584dd7 |
15 | 4aedb128 |
hex | 30335531 |
808670513 has 16 divisors (see below), whose sum is σ = 946851840. Its totient is φ = 676193616.
The previous prime is 808670497. The next prime is 808670521. The reversal of 808670513 is 315076808.
It is not a de Polignac number, because 808670513 - 24 = 808670497 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (808670543) 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 15 ways as a sum of consecutive naturals, for example, 432206 + ... + 434072.
It is an arithmetic number, because the mean of its divisors is an integer number (59178240).
Almost surely, 2808670513 is an apocalyptic number.
It is an amenable number.
808670513 is a deficient number, since it is larger than the sum of its proper divisors (138181327).
808670513 is a wasteful number, since it uses less digits than its factorization.
808670513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3356.
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 808670513 is about 28437.1326437811. The cubic root of 808670513 is about 931.6594693877.
The spelling of 808670513 in words is "eight hundred eight million, six hundred seventy thousand, five hundred thirteen".
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