Base | Representation |
---|---|
bin | 10111111101001000… |
… | …10011000000000000 |
3 | 1020012021222111122102 |
4 | 23332210103000000 |
5 | 202314340044324 |
6 | 5524100525532 |
7 | 633463345562 |
oct | 137644230000 |
9 | 36167874572 |
10 | 12860862464 |
11 | 54aa69235a |
12 | 25ab0b08a8 |
13 | 129c6070b8 |
14 | 8a00ab332 |
15 | 50411adae |
hex | 2fe913000 |
12860862464 has 52 divisors (see below), whose sum is σ = 26605678560. Its totient is φ = 6208634880.
The previous prime is 12860862451. The next prime is 12860862473. The reversal of 12860862464 is 46426806821.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64649 + ... + 172919.
Almost surely, 212860862464 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 12860862464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13302839280).
12860862464 is an abundant number, since it is smaller than the sum of its proper divisors (13744816096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12860862464 is an equidigital number, since it uses as much as digits as its factorization.
12860862464 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108324 (or 108302 counting only the distinct ones).
The product of its (nonzero) digits is 884736, while the sum is 47.
The spelling of 12860862464 in words is "twelve billion, eight hundred sixty million, eight hundred sixty-two thousand, four hundred sixty-four".
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