Base | Representation |
---|---|
bin | 10111111101100000… |
… | …00101100000101000 |
3 | 1020012111210111222100 |
4 | 23332300011200220 |
5 | 202321132443221 |
6 | 5524251053400 |
7 | 633531536652 |
oct | 137660054050 |
9 | 36174714870 |
10 | 12863952936 |
11 | 550140326a |
12 | 25b0141260 |
13 | 12a0149993 |
14 | 8a06736d2 |
15 | 50452b926 |
hex | 2fec05828 |
12863952936 has 192 divisors, whose sum is σ = 36691200000. Its totient is φ = 4066288128.
The previous prime is 12863952917. The next prime is 12863952947. The reversal of 12863952936 is 63925936821.
12863952936 is a `hidden beast` number, since 1 + 2 + 86 + 3 + 9 + 529 + 36 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36859290 + ... + 36859638.
It is an arithmetic number, because the mean of its divisors is an integer number (191100000).
Almost surely, 212863952936 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12863952936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18345600000).
12863952936 is an abundant number, since it is smaller than the sum of its proper divisors (23827247064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12863952936 is a wasteful number, since it uses less digits than its factorization.
12863952936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 656 (or 649 counting only the distinct ones).
The product of its digits is 4199040, while the sum is 54.
The spelling of 12863952936 in words is "twelve billion, eight hundred sixty-three million, nine hundred fifty-two thousand, nine hundred thirty-six".
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