Base | Representation |
---|---|
bin | 10010101000111001… |
… | …001110000110100010 |
3 | 1220122202211011102221 |
4 | 102220321032012202 |
5 | 311441420111232 |
6 | 13105525301254 |
7 | 1305644305531 |
oct | 225071160642 |
9 | 56582734387 |
10 | 20013441442 |
11 | 854007a855 |
12 | 3a6656482a |
13 | 1b6c402a57 |
14 | d7bdc4318 |
15 | 7c2023897 |
hex | 4a8e4e1a2 |
20013441442 has 8 divisors (see below), whose sum is σ = 30029266332. Its totient is φ = 10003686000.
The previous prime is 20013441439. The next prime is 20013441443. The reversal of 20013441442 is 24414431002.
It can be written as a sum of positive squares in 2 ways, for example, as 17450145801 + 2563295641 = 132099^2 + 50629^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20013441443) 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, 1509109 + ... + 1522312.
Almost surely, 220013441442 is an apocalyptic number.
20013441442 is a deficient number, since it is larger than the sum of its proper divisors (10015824890).
20013441442 is a wasteful number, since it uses less digits than its factorization.
20013441442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3034724.
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 20013441442 its reverse (24414431002), we get a palindrome (44427872444).
It can be divided in two parts, 2001 and 3441442, that added together give a palindrome (3443443).
The spelling of 20013441442 in words is "twenty billion, thirteen million, four hundred forty-one thousand, four hundred forty-two".
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