Base | Representation |
---|---|
bin | 111011100101000101… |
… | …0000011111101000000 |
3 | 110020020202101022202112 |
4 | 1313022022003331000 |
5 | 4044013043434343 |
6 | 134435532034452 |
7 | 12146420252120 |
oct | 1671212037500 |
9 | 406222338675 |
10 | 127945686848 |
11 | 4a297006271 |
12 | 20968902a28 |
13 | c0b03c1b15 |
14 | 629a712c80 |
15 | 34dc823218 |
hex | 1dca283f40 |
127945686848 has 28 divisors (see below), whose sum is σ = 290162540832. Its totient is φ = 54833865600.
The previous prime is 127945686833. The next prime is 127945686859. The reversal of 127945686848 is 848686549721.
It is a tau number, because it is divible by the number of its divisors (28).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142796078 + ... + 142796973.
Almost surely, 2127945686848 is an apocalyptic number.
It is an amenable number.
127945686848 is an abundant number, since it is smaller than the sum of its proper divisors (162216853984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127945686848 is an equidigital number, since it uses as much as digits as its factorization.
127945686848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 285593070 (or 285593060 counting only the distinct ones).
The product of its digits is 185794560, while the sum is 68.
The spelling of 127945686848 in words is "one hundred twenty-seven billion, nine hundred forty-five million, six hundred eighty-six thousand, eight hundred forty-eight".
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