Base | Representation |
---|---|
bin | 111110101010111… |
… | …0101010111111001 |
3 | 12102112221011002000 |
4 | 1331111311113321 |
5 | 13301314010031 |
6 | 544355531213 |
7 | 103053101526 |
oct | 17525652771 |
9 | 5375834060 |
10 | 2102875641 |
11 | 98a022659 |
12 | 4a82b9b09 |
13 | 276886a19 |
14 | 15d3d814d |
15 | c49343e6 |
hex | 7d5755f9 |
2102875641 has 16 divisors (see below), whose sum is σ = 3154809600. Its totient is φ = 1384169904.
The previous prime is 2102875613. The next prime is 2102875681. The reversal of 2102875641 is 1465782012.
2102875641 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 8 + 7 + 5 + 641 = 666.
It is not a de Polignac number, because 2102875641 - 210 = 2102874617 is a prime.
It is a super-2 number, since 2×21028756412 = 8844171923022321762, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2102875596 and 2102875605.
It is not an unprimeable number, because it can be changed into a prime (2102875681) 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, 490806 + ... + 495071.
It is an arithmetic number, because the mean of its divisors is an integer number (197175600).
Almost surely, 22102875641 is an apocalyptic number.
It is an amenable number.
2102875641 is a deficient number, since it is larger than the sum of its proper divisors (1051933959).
2102875641 is an equidigital number, since it uses as much as digits as its factorization.
2102875641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 985965 (or 985959 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 2102875641 is about 45857.1220313704. The cubic root of 2102875641 is about 1281.1634199643.
It can be divided in two parts, 21028 and 75641, that added together give a palindrome (96669).
The spelling of 2102875641 in words is "two billion, one hundred two million, eight hundred seventy-five thousand, six hundred forty-one".
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