Base | Representation |
---|---|
bin | 11010001000010011… |
… | …11100001101010001 |
3 | 1100012122211110002122 |
4 | 31010021330031101 |
5 | 212212224432411 |
6 | 10240004224025 |
7 | 1004431036214 |
oct | 150411741521 |
9 | 40178743078 |
10 | 14028358481 |
11 | 5a497083a5 |
12 | 287609b015 |
13 | 142745a947 |
14 | 97117977b |
15 | 5718859db |
hex | 34427c351 |
14028358481 has 4 divisors (see below), whose sum is σ = 14032596132. Its totient is φ = 14024120832.
The previous prime is 14028358453. The next prime is 14028358489. The reversal of 14028358481 is 18485382041.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18485382041 = 7 ⋅2640768863.
It can be written as a sum of positive squares in 2 ways, for example, as 6579805456 + 7448553025 = 81116^2 + 86305^2 .
It is a cyclic number.
It is not a de Polignac number, because 14028358481 - 218 = 14028096337 is a prime.
It is a super-2 number, since 2×140283584812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14028358489) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2113856 + ... + 2120481.
It is an arithmetic number, because the mean of its divisors is an integer number (3508149033).
Almost surely, 214028358481 is an apocalyptic number.
It is an amenable number.
14028358481 is a deficient number, since it is larger than the sum of its proper divisors (4237651).
14028358481 is an equidigital number, since it uses as much as digits as its factorization.
14028358481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4237650.
The product of its (nonzero) digits is 245760, while the sum is 44.
The spelling of 14028358481 in words is "fourteen billion, twenty-eight million, three hundred fifty-eight thousand, four hundred eighty-one".
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