Base | Representation |
---|---|
bin | 1001111111111110… |
… | …0111010011000101 |
3 | 20221001220012101220 |
4 | 2133333213103011 |
5 | 20444132102011 |
6 | 1122204510553 |
7 | 123342530415 |
oct | 23777472305 |
9 | 6831805356 |
10 | 2684253381 |
11 | 1158211327 |
12 | 62ab4b459 |
13 | 33a162314 |
14 | 1b66d4645 |
15 | 10a9c4506 |
hex | 9ffe74c5 |
2684253381 has 8 divisors (see below), whose sum is σ = 3579421440. Its totient is φ = 1789293792.
The previous prime is 2684253359. The next prime is 2684253401. The reversal of 2684253381 is 1833524862.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2684253381 - 29 = 2684252869 is a prime.
It is a super-2 number, since 2×26842533812 = 14410432426819862322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2684253281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19080 + ... + 75713.
It is an arithmetic number, because the mean of its divisors is an integer number (447427680).
Almost surely, 22684253381 is an apocalyptic number.
It is an amenable number.
2684253381 is a deficient number, since it is larger than the sum of its proper divisors (895168059).
2684253381 is an equidigital number, since it uses as much as digits as its factorization.
2684253381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104235.
The product of its digits is 276480, while the sum is 42.
The square root of 2684253381 is about 51809.7807464961. The cubic root of 2684253381 is about 1389.7643582053.
The spelling of 2684253381 in words is "two billion, six hundred eighty-four million, two hundred fifty-three thousand, three hundred eighty-one".
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