Base | Representation |
---|---|
bin | 111011111101001001… |
… | …0101110100110101110 |
3 | 110022100000222112211001 |
4 | 1313322102232212232 |
5 | 4102141313440240 |
6 | 135052021150514 |
7 | 12205424460433 |
oct | 1677222564656 |
9 | 408300875731 |
10 | 128753265070 |
11 | 4a670952791 |
12 | 20b5325b43a |
13 | c1ab7c9161 |
14 | 6335a91b8a |
15 | 353869589a |
hex | 1dfa4ae9ae |
128753265070 has 32 divisors (see below), whose sum is σ = 236042294400. Its totient is φ = 50551423776.
The previous prime is 128753264993. The next prime is 128753265071. The reversal of 128753265070 is 70562357821.
It is a self number, because there is not a number n which added to its sum of digits gives 128753265070.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128753265071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223237 + ... + 554383.
It is an arithmetic number, because the mean of its divisors is an integer number (7376321700).
Almost surely, 2128753265070 is an apocalyptic number.
128753265070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
128753265070 is a deficient number, since it is larger than the sum of its proper divisors (107289029330).
128753265070 is a wasteful number, since it uses less digits than its factorization.
128753265070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331872.
The product of its (nonzero) digits is 705600, while the sum is 46.
The spelling of 128753265070 in words is "one hundred twenty-eight billion, seven hundred fifty-three million, two hundred sixty-five thousand, seventy".
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