Base | Representation |
---|---|
bin | 1010110000010011… |
… | …0101111111100001 |
3 | 21110012022022002201 |
4 | 2230010311333201 |
5 | 21403024412011 |
6 | 1154245213201 |
7 | 131353451263 |
oct | 25404657741 |
9 | 7405268081 |
10 | 2886950881 |
11 | 1251676a21 |
12 | 686a01201 |
13 | 370152379 |
14 | 1d55b9b33 |
15 | 11d6b2cc1 |
hex | ac135fe1 |
2886950881 has 8 divisors (see below), whose sum is σ = 2903255784. Its totient is φ = 2870663040.
The previous prime is 2886950849. The next prime is 2886950887. The reversal of 2886950881 is 1880596882.
It can be written as a sum of positive squares in 4 ways, for example, as 513702225 + 2373248656 = 22665^2 + 48716^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2886950881 - 25 = 2886950849 is a prime.
It is a super-2 number, since 2×28869508812 = 16668970778613352322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2886950887) 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 7 ways as a sum of consecutive naturals, for example, 493731 + ... + 499543.
It is an arithmetic number, because the mean of its divisors is an integer number (362906973).
Almost surely, 22886950881 is an apocalyptic number.
It is an amenable number.
2886950881 is a deficient number, since it is larger than the sum of its proper divisors (16304903).
2886950881 is a wasteful number, since it uses less digits than its factorization.
2886950881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8531.
The product of its (nonzero) digits is 2211840, while the sum is 55.
The square root of 2886950881 is about 53730.3534419791. The cubic root of 2886950881 is about 1423.9010106212.
The spelling of 2886950881 in words is "two billion, eight hundred eighty-six million, nine hundred fifty thousand, eight hundred eighty-one".
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