Base | Representation |
---|---|
bin | 1011001001101111… |
… | …1011000011111001 |
3 | 21201122002220022200 |
4 | 2302123323003321 |
5 | 22112334223444 |
6 | 1213020340413 |
7 | 134120504052 |
oct | 26233730371 |
9 | 7648086280 |
10 | 2993664249 |
11 | 12a6933294 |
12 | 6b66a4709 |
13 | 3892a6784 |
14 | 205837729 |
15 | 127c41969 |
hex | b26fb0f9 |
2993664249 has 12 divisors (see below), whose sum is σ = 4578545556. Its totient is φ = 1878377472.
The previous prime is 2993664197. The next prime is 2993664251. The reversal of 2993664249 is 9424663992.
It can be written as a sum of positive squares in 2 ways, for example, as 1933185024 + 1060479225 = 43968^2 + 32565^2 .
It is not a de Polignac number, because 2993664249 - 28 = 2993663993 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2993664195 and 2993664204.
It is not an unprimeable number, because it can be changed into a prime (2993664449) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 9783064 + ... + 9783369.
It is an arithmetic number, because the mean of its divisors is an integer number (381545463).
Almost surely, 22993664249 is an apocalyptic number.
It is an amenable number.
2993664249 is a deficient number, since it is larger than the sum of its proper divisors (1584881307).
2993664249 is a wasteful number, since it uses less digits than its factorization.
2993664249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19566456 (or 19566453 counting only the distinct ones).
The product of its digits is 5038848, while the sum is 54.
The square root of 2993664249 is about 54714.3879523476. The cubic root of 2993664249 is about 1441.2335509266.
The spelling of 2993664249 in words is "two billion, nine hundred ninety-three million, six hundred sixty-four thousand, two hundred forty-nine".
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