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12163101428 = 223040775357
BaseRepresentation
bin10110101001111101…
…00011001011110100
31011101200000120110002
423110332203023310
5144402223221203
65330533250432
7610261441052
oct132476431364
934350016402
1012163101428
115181832145
122435493a18
1311bab9cb4a
148355571d2
154b2c3bd88
hex2d4fa32f4

12163101428 has 6 divisors (see below), whose sum is σ = 21285427506. Its totient is φ = 6081550712.

The previous prime is 12163101383. The next prime is 12163101479. The reversal of 12163101428 is 82410136121.

It can be written as a sum of positive squares in only one way, i.e., 8373714064 + 3789387364 = 91508^2 + 61558^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12163101428.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1520387675 + ... + 1520387682.

It is an arithmetic number, because the mean of its divisors is an integer number (3547571251).

Almost surely, 212163101428 is an apocalyptic number.

It is an amenable number.

12163101428 is a deficient number, since it is larger than the sum of its proper divisors (9122326078).

12163101428 is a wasteful number, since it uses less digits than its factorization.

12163101428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040775361 (or 3040775359 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 12163101428 its reverse (82410136121), we get a palindrome (94573237549).

The spelling of 12163101428 in words is "twelve billion, one hundred sixty-three million, one hundred one thousand, four hundred twenty-eight".

Divisors: 1 2 4 3040775357 6081550714 12163101428