Base | Representation |
---|---|
bin | 10111110011110101… |
… | …01110010010110100 |
3 | 1012222212012022222222 |
4 | 23321322232102310 |
5 | 202134402332343 |
6 | 5512232541512 |
7 | 631525322564 |
oct | 137172562264 |
9 | 35885168888 |
10 | 12782855348 |
11 | 546a65246a |
12 | 2588b51898 |
13 | 12893c3b43 |
14 | 8939a2da4 |
15 | 4ec35ca68 |
hex | 2f9eae4b4 |
12782855348 has 12 divisors (see below), whose sum is σ = 22503950112. Its totient is φ = 6353155320.
The previous prime is 12782855333. The next prime is 12782855353. The reversal of 12782855348 is 84355828721.
It is a super-2 number, since 2×127828553482 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12782855348.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9567338 + ... + 9568673.
It is an arithmetic number, because the mean of its divisors is an integer number (1875329176).
Almost surely, 212782855348 is an apocalyptic number.
It is an amenable number.
12782855348 is a deficient number, since it is larger than the sum of its proper divisors (9721094764).
12782855348 is a wasteful number, since it uses less digits than its factorization.
12782855348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19136182 (or 19136180 counting only the distinct ones).
The product of its digits is 4300800, while the sum is 53.
The spelling of 12782855348 in words is "twelve billion, seven hundred eighty-two million, eight hundred fifty-five thousand, three hundred forty-eight".
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