Base | Representation |
---|---|
bin | 111111100010110… |
… | …1111111110001001 |
3 | 12111121010200020121 |
4 | 1333011233332021 |
5 | 13331321314031 |
6 | 551324423241 |
7 | 103560342205 |
oct | 17705577611 |
9 | 5447120217 |
10 | 2132213641 |
11 | 9a4640738 |
12 | 4b60a7b21 |
13 | 27c98959c |
14 | 163273b05 |
15 | c72cc011 |
hex | 7f16ff89 |
2132213641 has 8 divisors (see below), whose sum is σ = 2143182600. Its totient is φ = 2121273600.
The previous prime is 2132213621. The next prime is 2132213647. The reversal of 2132213641 is 1463122312.
It can be written as a sum of positive squares in 4 ways, for example, as 947408400 + 1184805241 = 30780^2 + 34421^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2132213641 - 27 = 2132213513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2132213647) 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, 149155 + ... + 162823.
It is an arithmetic number, because the mean of its divisors is an integer number (267897825).
Almost surely, 22132213641 is an apocalyptic number.
It is an amenable number.
2132213641 is a deficient number, since it is larger than the sum of its proper divisors (10968959).
2132213641 is a wasteful number, since it uses less digits than its factorization.
2132213641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14459.
The product of its digits is 1728, while the sum is 25.
The square root of 2132213641 is about 46175.8989192414. The cubic root of 2132213641 is about 1287.0939210890.
Adding to 2132213641 its reverse (1463122312), we get a palindrome (3595335953).
The spelling of 2132213641 in words is "two billion, one hundred thirty-two million, two hundred thirteen thousand, six hundred forty-one".
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