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12630403166 = 26315201583
BaseRepresentation
bin10111100001101010…
…01010100001011110
31012121020022221220212
423300311022201132
5201331340400131
65445145212422
7624664440563
oct136065124136
935536287825
1012630403166
1153a1595927
122545a91112
131263946a54
1487b63a86a
154ddc96a2b
hex2f0d4a85e

12630403166 has 4 divisors (see below), whose sum is σ = 18945604752. Its totient is φ = 6315201582.

The previous prime is 12630403153. The next prime is 12630403169. The reversal of 12630403166 is 66130403621.

12630403166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630403169) 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 as a sum of consecutive naturals, namely, 3157600790 + ... + 3157600793.

It is an arithmetic number, because the mean of its divisors is an integer number (4736401188).

Almost surely, 212630403166 is an apocalyptic number.

12630403166 is a deficient number, since it is larger than the sum of its proper divisors (6315201586).

12630403166 is an equidigital number, since it uses as much as digits as its factorization.

12630403166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315201585.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 12630403166 its reverse (66130403621), we get a palindrome (78760806787).

The spelling of 12630403166 in words is "twelve billion, six hundred thirty million, four hundred three thousand, one hundred sixty-six".

Divisors: 1 2 6315201583 12630403166