Base | Representation |
---|---|
bin | 111011101110001001… |
… | …0111011001111001010 |
3 | 110021000222000001101020 |
4 | 1313130102323033022 |
5 | 4100124000002310 |
6 | 134530042333310 |
7 | 12160104005334 |
oct | 1673422731712 |
9 | 407028001336 |
10 | 128250000330 |
11 | 4a432866511 |
12 | 20a327ba236 |
13 | c12b47007a |
14 | 62c8cca454 |
15 | 35093d5170 |
hex | 1ddc4bb3ca |
128250000330 has 64 divisors (see below), whose sum is σ = 309423397248. Its totient is φ = 34020080640.
The previous prime is 128250000259. The next prime is 128250000353. The reversal of 128250000330 is 33000052821.
It is a self number, because there is not a number n which added to its sum of digits gives 128250000330.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4596582 + ... + 4624398.
It is an arithmetic number, because the mean of its divisors is an integer number (4834740582).
Almost surely, 2128250000330 is an apocalyptic number.
128250000330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
128250000330 is an abundant number, since it is smaller than the sum of its proper divisors (181173396918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128250000330 is a wasteful number, since it uses less digits than its factorization.
128250000330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28631.
The product of its (nonzero) digits is 1440, while the sum is 24.
The spelling of 128250000330 in words is "one hundred twenty-eight billion, two hundred fifty million, three hundred thirty", and thus it is an aban number.
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