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12828420082 = 217377306473
BaseRepresentation
bin10111111001010001…
…00010011111110010
31020010000221021001201
423330220202133302
5202233033420312
65520541321414
7632620525432
oct137450423762
936100837051
1012828420082
115493343975
1225a026626a
13129598851a
14899a642c2
1550135d557
hex2fca227f2

12828420082 has 8 divisors (see below), whose sum is σ = 20374549596. Its totient is φ = 6036903552.

The previous prime is 12828420079. The next prime is 12828420089. The reversal of 12828420082 is 28002482821.

It can be written as a sum of positive squares in 2 ways, for example, as 12816730521 + 11689561 = 113211^2 + 3419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×128284200823 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12828420089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188653203 + ... + 188653270.

Almost surely, 212828420082 is an apocalyptic number.

12828420082 is a deficient number, since it is larger than the sum of its proper divisors (7546129514).

12828420082 is a wasteful number, since it uses less digits than its factorization.

12828420082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377306492.

The product of its (nonzero) digits is 32768, while the sum is 37.

The spelling of 12828420082 in words is "twelve billion, eight hundred twenty-eight million, four hundred twenty thousand, eighty-two".

Divisors: 1 2 17 34 377306473 754612946 6414210041 12828420082