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6728871234 = 231447775037
BaseRepresentation
bin1100100010001001…
…00110110101000010
3122100221120002001010
412101010212311002
5102240042334414
63031411021350
7325514314251
oct62104466502
918327502033
106728871234
1129432aa608
12137959a856
138330a6417
1447b940798
15295b0e959
hex191126d42

6728871234 has 16 divisors (see below), whose sum is σ = 13467060288. Its totient is φ = 2241404112.

The previous prime is 6728871221. The next prime is 6728871239. The reversal of 6728871234 is 4321788276.

It is not an unprimeable number, because it can be changed into a prime (6728871239) 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 7 ways as a sum of consecutive naturals, for example, 378837 + ... + 396200.

It is an arithmetic number, because the mean of its divisors is an integer number (841691268).

Almost surely, 26728871234 is an apocalyptic number.

6728871234 is an abundant number, since it is smaller than the sum of its proper divisors (6738189054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6728871234 is a wasteful number, since it uses less digits than its factorization.

6728871234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776489.

The product of its digits is 903168, while the sum is 48.

The square root of 6728871234 is about 82029.6972687331. The cubic root of 6728871234 is about 1887.9076191946.

The spelling of 6728871234 in words is "six billion, seven hundred twenty-eight million, eight hundred seventy-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 1447 2894 4341 8682 775037 1550074 2325111 4650222 1121478539 2242957078 3364435617 6728871234