Base | Representation |
---|---|
bin | 101000111001001… |
… | …100000000000010 |
3 | 1202210222110211110 |
4 | 220321030000002 |
5 | 2401114030002 |
6 | 152025024150 |
7 | 23000404146 |
oct | 5071140002 |
9 | 1683873743 |
10 | 686080002 |
11 | 322302073 |
12 | 171925056 |
13 | ac1a74ca |
14 | 67193226 |
15 | 40372e6c |
hex | 28e4c002 |
686080002 has 8 divisors (see below), whose sum is σ = 1372160016. Its totient is φ = 228693332.
The previous prime is 686080001. The next prime is 686080051. The reversal of 686080002 is 200080686.
It is a sphenic number, since it is the product of 3 distinct primes.
686080002 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (686080001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57173328 + ... + 57173339.
It is an arithmetic number, because the mean of its divisors is an integer number (171520002).
Almost surely, 2686080002 is an apocalyptic number.
686080002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
686080002 is a wasteful number, since it uses less digits than its factorization.
686080002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114346672.
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 686080002 is about 26193.1289081698. The cubic root of 686080002 is about 881.9790180168.
The spelling of 686080002 in words is "six hundred eighty-six million, eighty thousand, two".
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