Base | Representation |
---|---|
bin | 1010000101001010… |
… | …0001001110110001 |
3 | 20222120210100121112 |
4 | 2201102201032301 |
5 | 21020213031411 |
6 | 1124302403105 |
7 | 124025335262 |
oct | 24122411661 |
9 | 6876710545 |
10 | 2705986481 |
11 | 1169505770 |
12 | 636290495 |
13 | 341801543 |
14 | 1b9550969 |
15 | 10c868b8b |
hex | a14a13b1 |
2705986481 has 4 divisors (see below), whose sum is σ = 2951985264. Its totient is φ = 2459987700.
The previous prime is 2705986469. The next prime is 2705986489. The reversal of 2705986481 is 1846895072.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2705986481 is a prime.
It is a super-2 number, since 2×27059864812 = 14644725670709526722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2705986489) 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 3 ways as a sum of consecutive naturals, for example, 122999375 + ... + 122999396.
It is an arithmetic number, because the mean of its divisors is an integer number (737996316).
Almost surely, 22705986481 is an apocalyptic number.
It is an amenable number.
2705986481 is a deficient number, since it is larger than the sum of its proper divisors (245998783).
2705986481 is a wasteful number, since it uses less digits than its factorization.
2705986481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245998782.
The product of its (nonzero) digits is 967680, while the sum is 50.
The square root of 2705986481 is about 52019.0972720596. The cubic root of 2705986481 is about 1393.5050305355.
The spelling of 2705986481 in words is "two billion, seven hundred five million, nine hundred eighty-six thousand, four hundred eighty-one".
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