Base | Representation |
---|---|
bin | 1010101011111001… |
… | …1010111011010010 |
3 | 21101220120101110002 |
4 | 2222332122323102 |
5 | 21333313134223 |
6 | 1152345410002 |
7 | 131040522266 |
oct | 25276327322 |
9 | 7356511402 |
10 | 2868489938 |
11 | 1242207a46 |
12 | 680799902 |
13 | 36938a632 |
14 | 1d2d720a6 |
15 | 11bc67e28 |
hex | aaf9aed2 |
2868489938 has 8 divisors (see below), whose sum is σ = 4303954560. Its totient is φ = 1433838420.
The previous prime is 2868489937. The next prime is 2868489941. The reversal of 2868489938 is 8399848682.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (2868489937) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194378 + ... + 208613.
It is an arithmetic number, because the mean of its divisors is an integer number (537994320).
Almost surely, 22868489938 is an apocalyptic number.
2868489938 is a deficient number, since it is larger than the sum of its proper divisors (1435464622).
2868489938 is a wasteful number, since it uses less digits than its factorization.
2868489938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 406552.
The product of its digits is 47775744, while the sum is 65.
The square root of 2868489938 is about 53558.2854281203. The cubic root of 2868489938 is about 1420.8594179284.
The spelling of 2868489938 in words is "two billion, eight hundred sixty-eight million, four hundred eighty-nine thousand, nine hundred thirty-eight".
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