Base | Representation |
---|---|
bin | 111111111010110… |
… | …1000100111111100 |
3 | 12112110202102110211 |
4 | 1333311220213330 |
5 | 13343030011320 |
6 | 552453442204 |
7 | 104102133304 |
oct | 17765504774 |
9 | 5473672424 |
10 | 2144766460 |
11 | a00734871 |
12 | 4ba340364 |
13 | 2824630a5 |
14 | 164bc0604 |
15 | c845b55a |
hex | 7fd689fc |
2144766460 has 24 divisors (see below), whose sum is σ = 4505106816. Its totient is φ = 857697600.
The previous prime is 2144766451. The next prime is 2144766469. The reversal of 2144766460 is 646674412.
It is an interprime number because it is at equal distance from previous prime (2144766451) and next prime (2144766469).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2144766469) 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, 91509 + ... + 112531.
It is an arithmetic number, because the mean of its divisors is an integer number (187712784).
Almost surely, 22144766460 is an apocalyptic number.
2144766460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2144766460 is an abundant number, since it is smaller than the sum of its proper divisors (2360340356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2144766460 is a wasteful number, since it uses less digits than its factorization.
2144766460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26133 (or 26131 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 40.
The square root of 2144766460 is about 46311.6233790179. The cubic root of 2144766460 is about 1289.6147839237.
It can be divided in two parts, 214 and 4766460, that added together give a palindrome (4766674).
The spelling of 2144766460 in words is "two billion, one hundred forty-four million, seven hundred sixty-six thousand, four hundred sixty".
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