Base | Representation |
---|---|
bin | 10111101000100100… |
… | …00001011110011110 |
3 | 1012202021021102100121 |
4 | 23310102001132132 |
5 | 201441201044214 |
6 | 5455014145154 |
7 | 626266525042 |
oct | 136422013636 |
9 | 35667242317 |
10 | 12688299934 |
11 | 542123a5a2 |
12 | 25613521ba |
13 | 12729385ab |
14 | 8851cc022 |
15 | 4e3dd1424 |
hex | 2f448179e |
12688299934 has 8 divisors (see below), whose sum is σ = 19217231280. Its totient is φ = 6282556176.
The previous prime is 12688299913. The next prime is 12688299973. The reversal of 12688299934 is 43999288621.
12688299934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
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, 30796639 + ... + 30797050.
It is an arithmetic number, because the mean of its divisors is an integer number (2402153910).
Almost surely, 212688299934 is an apocalyptic number.
12688299934 is a deficient number, since it is larger than the sum of its proper divisors (6528931346).
12688299934 is a wasteful number, since it uses less digits than its factorization.
12688299934 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61593794.
The product of its digits is 13436928, while the sum is 61.
The spelling of 12688299934 in words is "twelve billion, six hundred eighty-eight million, two hundred ninety-nine thousand, nine hundred thirty-four".
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