Base | Representation |
---|---|
bin | 111111110010100… |
… | …1001001101111001 |
3 | 12112011121210111200 |
4 | 1333211021031321 |
5 | 13340423143023 |
6 | 552221044413 |
7 | 104020320045 |
oct | 17745111571 |
9 | 5464553450 |
10 | 2140443513 |
11 | 9a925198a |
12 | 4b89b6709 |
13 | 2815ab530 |
14 | 1643b7025 |
15 | c7da5743 |
hex | 7f949379 |
2140443513 has 24 divisors (see below), whose sum is σ = 3444397320. Its totient is φ = 1271773440.
The previous prime is 2140443493. The next prime is 2140443517. The reversal of 2140443513 is 3153440412.
It is a happy number.
2140443513 is a `hidden beast` number, since 2 + 140 + 4 + 4 + 3 + 513 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 30603024 + 2109840489 = 5532^2 + 45933^2 .
It is not a de Polignac number, because 2140443513 - 213 = 2140435321 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2140443517) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312028 + ... + 318813.
It is an arithmetic number, because the mean of its divisors is an integer number (143516555).
Almost surely, 22140443513 is an apocalyptic number.
It is an amenable number.
2140443513 is a deficient number, since it is larger than the sum of its proper divisors (1303953807).
2140443513 is a wasteful number, since it uses less digits than its factorization.
2140443513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 630889 (or 630886 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 2140443513 is about 46264.9274613070. The cubic root of 2140443513 is about 1288.7477608327.
Adding to 2140443513 its reverse (3153440412), we get a palindrome (5293883925).
The spelling of 2140443513 in words is "two billion, one hundred forty million, four hundred forty-three thousand, five hundred thirteen".
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