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12708107142 = 232118017857
BaseRepresentation
bin10111101010111011…
…00101001110000110
31012210122112201201220
423311131211032012
5202011233412032
65501002501210
7626630062023
oct136535451606
935718481656
1012708107142
115431438a95
122567b04806
131276a82033
14887aa654a
154e59e512c
hex2f5765386

12708107142 has 8 divisors (see below), whose sum is σ = 25416214296. Its totient is φ = 4236035712.

The previous prime is 12708107141. The next prime is 12708107149. The reversal of 12708107142 is 24170180721.

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

12708107142 is an admirable number.

It is a super-2 number, since 2×127081071422 (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 (12708107141) 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, 1059008923 + ... + 1059008934.

It is an arithmetic number, because the mean of its divisors is an integer number (3177026787).

Almost surely, 212708107142 is an apocalyptic number.

12708107142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12708107142 is a wasteful number, since it uses less digits than its factorization.

12708107142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118017862.

The product of its (nonzero) digits is 6272, while the sum is 33.

Adding to 12708107142 its reverse (24170180721), we get a palindrome (36878287863).

The spelling of 12708107142 in words is "twelve billion, seven hundred eight million, one hundred seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 2118017857 4236035714 6354053571 12708107142