Base | Representation |
---|---|
bin | 10111100110001011… |
… | …11010101100001111 |
3 | 1012200212201211002111 |
4 | 23303011322230033 |
5 | 201421044133244 |
6 | 5453022404451 |
7 | 625635122452 |
oct | 136305725417 |
9 | 35625654074 |
10 | 12668349199 |
11 | 5410a53290 |
12 | 2556730727 |
13 | 126b77171c |
14 | 8826b7499 |
15 | 4e228ee34 |
hex | 2f317ab0f |
12668349199 has 8 divisors (see below), whose sum is σ = 14547386880. Its totient is φ = 10910539800.
The previous prime is 12668349181. The next prime is 12668349203. The reversal of 12668349199 is 99194386621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12668349199 - 223 = 12659960591 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12668349139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30306847 + ... + 30307264.
It is an arithmetic number, because the mean of its divisors is an integer number (1818423360).
Almost surely, 212668349199 is an apocalyptic number.
12668349199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
12668349199 is a deficient number, since it is larger than the sum of its proper divisors (1879037681).
12668349199 is a wasteful number, since it uses less digits than its factorization.
12668349199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60614141.
The product of its digits is 5038848, while the sum is 58.
The spelling of 12668349199 in words is "twelve billion, six hundred sixty-eight million, three hundred forty-nine thousand, one hundred ninety-nine".
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