Base | Representation |
---|---|
bin | 111111110010001… |
… | …0000010010011011 |
3 | 12112011011221122022 |
4 | 1333210100102123 |
5 | 13340343212311 |
6 | 552212045055 |
7 | 104015326160 |
oct | 17744202233 |
9 | 5464157568 |
10 | 2140210331 |
11 | 9a9102776 |
12 | 4b890378b |
13 | 28152935c |
14 | 164356067 |
15 | c7d5b5db |
hex | 7f91049b |
2140210331 has 16 divisors (see below), whose sum is σ = 2623276800. Its totient is φ = 1705118688.
The previous prime is 2140210327. The next prime is 2140210337. The reversal of 2140210331 is 1330120412.
It is not a de Polignac number, because 2140210331 - 22 = 2140210327 is a prime.
It is a super-2 number, since 2×21402103312 = 9161000521838259122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2140210337) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144761 + ... + 158858.
It is an arithmetic number, because the mean of its divisors is an integer number (163954800).
Almost surely, 22140210331 is an apocalyptic number.
2140210331 is a deficient number, since it is larger than the sum of its proper divisors (483066469).
2140210331 is a wasteful number, since it uses less digits than its factorization.
2140210331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303698.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 2140210331 is about 46262.4073195505. The cubic root of 2140210331 is about 1288.7009599880.
Adding to 2140210331 its reverse (1330120412), we get a palindrome (3470330743).
The spelling of 2140210331 in words is "two billion, one hundred forty million, two hundred ten thousand, three hundred thirty-one".
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