Base | Representation |
---|---|
bin | 111111011010110… |
… | …1110000011100000 |
3 | 12111022020011222022 |
4 | 1332311232003200 |
5 | 13324232331423 |
6 | 551054401012 |
7 | 103506541061 |
oct | 17665560340 |
9 | 5438204868 |
10 | 2128011488 |
11 | 9a2230589 |
12 | 4b4800168 |
13 | 27bb479c5 |
14 | 16289c568 |
15 | c6c4bdc8 |
hex | 7ed6e0e0 |
2128011488 has 24 divisors (see below), whose sum is σ = 4302755352. Its totient is φ = 1035248256.
The previous prime is 2128011481. The next prime is 2128011541. The reversal of 2128011488 is 8841108212.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2128011481) by changing a digit.
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, 897470 + ... + 899837.
It is an arithmetic number, because the mean of its divisors is an integer number (179281473).
Almost surely, 22128011488 is an apocalyptic number.
It is an amenable number.
2128011488 is an abundant number, since it is smaller than the sum of its proper divisors (2174743864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2128011488 is a wasteful number, since it uses less digits than its factorization.
2128011488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1797354 (or 1797346 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 35.
The square root of 2128011488 is about 46130.3748955068. The cubic root of 2128011488 is about 1286.2478328690.
It can be divided in two parts, 21280 and 11488, that added together give a 15-th power (32768 = 215).
The spelling of 2128011488 in words is "two billion, one hundred twenty-eight million, eleven thousand, four hundred eighty-eight".
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