Base | Representation |
---|---|
bin | 11000001011011100… |
… | …01110101000100000 |
3 | 1020111122212101010212 |
4 | 30011232032220200 |
5 | 203041103002103 |
6 | 5544025513252 |
7 | 636451612352 |
oct | 140556165040 |
9 | 36448771125 |
10 | 12980906528 |
11 | 5561424227 |
12 | 2623342828 |
13 | 12bb4480a5 |
14 | 8b1dd90d2 |
15 | 50e92e7d8 |
hex | 305b8ea20 |
12980906528 has 24 divisors (see below), whose sum is σ = 25591749120. Its totient is φ = 6481414720.
The previous prime is 12980906513. The next prime is 12980906537. The reversal of 12980906528 is 82560908921.
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, 259088 + ... + 305103.
It is an arithmetic number, because the mean of its divisors is an integer number (1066322880).
Almost surely, 212980906528 is an apocalyptic number.
It is an amenable number.
12980906528 is a deficient number, since it is larger than the sum of its proper divisors (12610842592).
12980906528 is an equidigital number, since it uses as much as digits as its factorization.
12980906528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 564920 (or 564912 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 50.
The spelling of 12980906528 in words is "twelve billion, nine hundred eighty million, nine hundred six thousand, five hundred twenty-eight".
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