Base | Representation |
---|---|
bin | 1010100001111101… |
… | …1111001110111001 |
3 | 21022000011200012111 |
4 | 2220133133032321 |
5 | 21242131423211 |
6 | 1144300412321 |
7 | 130023426130 |
oct | 25037371671 |
9 | 7260150174 |
10 | 2826826681 |
11 | 12207407a8 |
12 | 66a8470a1 |
13 | 360860a13 |
14 | 1cb608917 |
15 | 118288421 |
hex | a87df3b9 |
2826826681 has 16 divisors (see below), whose sum is σ = 3332663680. Its totient is φ = 2347678080.
The previous prime is 2826826679. The next prime is 2826826697. The reversal of 2826826681 is 1866286282.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2826826681 - 21 = 2826826679 is a prime.
It is a super-2 number, since 2×28268266812 = 15981898168826951522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2826826621) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20796 + ... + 78013.
It is an arithmetic number, because the mean of its divisors is an integer number (208291480).
Almost surely, 22826826681 is an apocalyptic number.
It is an amenable number.
2826826681 is a deficient number, since it is larger than the sum of its proper divisors (505836999).
2826826681 is an equidigital number, since it uses as much as digits as its factorization.
2826826681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98944.
The product of its digits is 884736, while the sum is 49.
The square root of 2826826681 is about 53167.9102560934. The cubic root of 2826826681 is about 1413.9467714219.
The spelling of 2826826681 in words is "two billion, eight hundred twenty-six million, eight hundred twenty-six thousand, six hundred eighty-one".
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