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12200871028 = 223202995233
BaseRepresentation
bin10110101110011101…
…01000010001110100
31011111022002110121011
423113032220101310
5144441410333103
65334403002004
7611230456363
oct132716502164
934438073534
1012200871028
1151a1089a95
122446069304
1311c5965418
1483a5897da
154b61ecd6d
hex2d73a8474

12200871028 has 12 divisors (see below), whose sum is σ = 21352415140. Its totient is φ = 6100180992.

The previous prime is 12200870977. The next prime is 12200871029. The reversal of 12200871028 is 82017800221.

12200871028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1026689764 + 11174181264 = 32042^2 + 105708^2 .

It is a super-2 number, since 2×122008710282 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200871029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80500 + ... + 175732.

Almost surely, 212200871028 is an apocalyptic number.

It is an amenable number.

12200871028 is a deficient number, since it is larger than the sum of its proper divisors (9151544112).

12200871028 is a wasteful number, since it uses less digits than its factorization.

12200871028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127266 (or 127264 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 12200871028 in words is "twelve billion, two hundred million, eight hundred seventy-one thousand, twenty-eight".

Divisors: 1 2 4 32029 64058 95233 128116 190466 380932 3050217757 6100435514 12200871028