Base | Representation |
---|---|
bin | 1001110110001010… |
… | …1010000110000001 |
3 | 20211012110210212020 |
4 | 2131202222012001 |
5 | 20403113430400 |
6 | 1114134552053 |
7 | 122333022612 |
oct | 23542520601 |
9 | 6735423766 |
10 | 2643108225 |
11 | 1136a6936a |
12 | 619208629 |
13 | 331787484 |
14 | 1b1063c09 |
15 | 1070982a0 |
hex | 9d8aa181 |
2643108225 has 24 divisors (see below), whose sum is σ = 4376773440. Its totient is φ = 1407453120.
The previous prime is 2643108217. The next prime is 2643108229. The reversal of 2643108225 is 5228013462.
It is not a de Polignac number, because 2643108225 - 23 = 2643108217 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2643108229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21291 + ... + 75759.
It is an arithmetic number, because the mean of its divisors is an integer number (182365560).
Almost surely, 22643108225 is an apocalyptic number.
2643108225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2643108225 is a deficient number, since it is larger than the sum of its proper divisors (1733665215).
2643108225 is a wasteful number, since it uses less digits than its factorization.
2643108225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55129 (or 55124 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 2643108225 is about 51411.1682905573. The cubic root of 2643108225 is about 1382.6268360579.
The spelling of 2643108225 in words is "two billion, six hundred forty-three million, one hundred eight thousand, two hundred twenty-five".
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