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686080002 = 23114346667
BaseRepresentation
bin101000111001001…
…100000000000010
31202210222110211110
4220321030000002
52401114030002
6152025024150
723000404146
oct5071140002
91683873743
10686080002
11322302073
12171925056
13ac1a74ca
1467193226
1540372e6c
hex28e4c002

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".

Divisors: 1 2 3 6 114346667 228693334 343040001 686080002