Base | Representation |
---|---|
bin | 1001111111001010… |
… | …1100111001011100 |
3 | 20220211112020010212 |
4 | 2133302230321130 |
5 | 20442300242234 |
6 | 1122004151552 |
7 | 123302001662 |
oct | 23762547134 |
9 | 6824466125 |
10 | 2680868444 |
11 | 115630a161 |
12 | 6299985b8 |
13 | 3395486b7 |
14 | 1b6092c32 |
15 | 10a5565ce |
hex | 9fcace5c |
2680868444 has 12 divisors (see below), whose sum is σ = 4691897784. Its totient is φ = 1340326224.
The previous prime is 2680868429. The next prime is 2680868461. The reversal of 2680868444 is 4448680862.
It is a super-2 number, since 2×26808684442 = 14374111228069962272, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2680868392 and 2680868401.
It is a congruent number.
It is an unprimeable number.
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, 59999 + ... + 94665.
It is an arithmetic number, because the mean of its divisors is an integer number (390991482).
Almost surely, 22680868444 is an apocalyptic number.
It is an amenable number.
2680868444 is a deficient number, since it is larger than the sum of its proper divisors (2011029340).
2680868444 is a wasteful number, since it uses less digits than its factorization.
2680868444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54004 (or 54002 counting only the distinct ones).
The product of its (nonzero) digits is 2359296, while the sum is 50.
The square root of 2680868444 is about 51777.1034724810. The cubic root of 2680868444 is about 1389.1799320565.
The spelling of 2680868444 in words is "two billion, six hundred eighty million, eight hundred sixty-eight thousand, four hundred forty-four".
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