Base | Representation |
---|---|
bin | 10010101000111100… |
… | …111111100000100101 |
3 | 1220122211200101211021 |
4 | 102220330333200211 |
5 | 311442143231440 |
6 | 13110002411141 |
7 | 1305655564405 |
oct | 225074774045 |
9 | 56584611737 |
10 | 20014430245 |
11 | 8540695747 |
12 | 3a66960ab1 |
13 | 1b6c68ab44 |
14 | d7c1a0805 |
15 | 7c216b84a |
hex | 4a8f3f825 |
20014430245 has 4 divisors (see below), whose sum is σ = 24017316300. Its totient is φ = 16011544192.
The previous prime is 20014430231. The next prime is 20014430257. The reversal of 20014430245 is 54203441002.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 15956995041 + 4057435204 = 126321^2 + 63698^2 .
It is a cyclic number.
It is not a de Polignac number, because 20014430245 - 211 = 20014428197 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001443020 + ... + 2001443029.
It is an arithmetic number, because the mean of its divisors is an integer number (6004329075).
Almost surely, 220014430245 is an apocalyptic number.
It is an amenable number.
20014430245 is a deficient number, since it is larger than the sum of its proper divisors (4002886055).
20014430245 is an equidigital number, since it uses as much as digits as its factorization.
20014430245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4002886054.
The product of its (nonzero) digits is 3840, while the sum is 25.
Adding to 20014430245 its reverse (54203441002), we get a palindrome (74217871247).
The spelling of 20014430245 in words is "twenty billion, fourteen million, four hundred thirty thousand, two hundred forty-five".
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