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12708107107 = 73174083659
BaseRepresentation
bin10111101010111011…
…00101001101100011
31012210122112201200121
423311131211031203
5202011233411412
65501002501111
7626630061643
oct136535451543
935718481617
1012708107107
115431438a63
122567b04797
131276a82007
14887aa6523
154e59e5107
hex2f5765363

12708107107 has 4 divisors (see below), whose sum is σ = 12882190840. Its totient is φ = 12534023376.

The previous prime is 12708107099. The next prime is 12708107119. The reversal of 12708107107 is 70170180721.

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

It is a cyclic number.

It is not a de Polignac number, because 12708107107 - 23 = 12708107099 is a prime.

It is a super-2 number, since 2×127081071072 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12708107707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87041757 + ... + 87041902.

It is an arithmetic number, because the mean of its divisors is an integer number (3220547710).

Almost surely, 212708107107 is an apocalyptic number.

12708107107 is a deficient number, since it is larger than the sum of its proper divisors (174083733).

12708107107 is an equidigital number, since it uses as much as digits as its factorization.

12708107107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174083732.

The product of its (nonzero) digits is 5488, while the sum is 34.

Adding to 12708107107 its reverse (70170180721), we get a palindrome (82878287828).

The spelling of 12708107107 in words is "twelve billion, seven hundred eight million, one hundred seven thousand, one hundred seven".

Divisors: 1 73 174083659 12708107107