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6720707012 = 222117962923
BaseRepresentation
bin1100100001001010…
…11101100111000100
3122100101012021211112
412100211131213010
5102231000111022
63030520024152
7325355031665
oct62045354704
918311167745
106720707012
112939733718
121376902058
138314a8316
1447a81736c
1529504a8e2
hex19095d9c4

6720707012 has 12 divisors (see below), whose sum is σ = 11816979216. Its totient is φ = 3344427240.

The previous prime is 6720707009. The next prime is 6720707033. The reversal of 6720707012 is 2107070276.

It is a happy number.

It is a super-2 number, since 2×67207070122 = 90335805482291936288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6720707012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3980618 + ... + 3982305.

It is an arithmetic number, because the mean of its divisors is an integer number (984748268).

Almost surely, 26720707012 is an apocalyptic number.

It is an amenable number.

6720707012 is a deficient number, since it is larger than the sum of its proper divisors (5096272204).

6720707012 is a wasteful number, since it uses less digits than its factorization.

6720707012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7963138 (or 7963136 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 6720707012 is about 81979.9183458974. The cubic root of 6720707012 is about 1887.1437696919.

Adding to 6720707012 its reverse (2107070276), we get a palindrome (8827777288).

The spelling of 6720707012 in words is "six billion, seven hundred twenty million, seven hundred seven thousand, twelve".

Divisors: 1 2 4 211 422 844 7962923 15925846 31851692 1680176753 3360353506 6720707012