Base | Representation |
---|---|
bin | 10111111110101000… |
… | …10001010011001100 |
3 | 1020020011122102121021 |
4 | 23333110101103030 |
5 | 202331100012122 |
6 | 5525230243524 |
7 | 634005264262 |
oct | 137724212314 |
9 | 36204572537 |
10 | 12873438412 |
11 | 55067a18aa |
12 | 25b33565a4 |
13 | 12a20bb2a3 |
14 | 8a1a22432 |
15 | 5052a21c7 |
hex | 2ff5114cc |
12873438412 has 12 divisors (see below), whose sum is σ = 22530110400. Its totient is φ = 6436264016.
The previous prime is 12873438373. The next prime is 12873438419. The reversal of 12873438412 is 21483437821.
It is not an unprimeable number, because it can be changed into a prime (12873438419) 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, 45628 + ... + 166819.
It is an arithmetic number, because the mean of its divisors is an integer number (1877509200).
Almost surely, 212873438412 is an apocalyptic number.
It is an amenable number.
12873438412 is a deficient number, since it is larger than the sum of its proper divisors (9656671988).
12873438412 is a wasteful number, since it uses less digits than its factorization.
12873438412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227600 (or 227598 counting only the distinct ones).
The product of its digits is 258048, while the sum is 43.
The spelling of 12873438412 in words is "twelve billion, eight hundred seventy-three million, four hundred thirty-eight thousand, four hundred twelve".
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