Base | Representation |
---|---|
bin | 10010101010100010… |
… | …010111100110000010 |
3 | 1220201200200120010211 |
4 | 102222202113212002 |
5 | 312020444133232 |
6 | 13112352144334 |
7 | 1306430510203 |
oct | 225242274602 |
9 | 56650616124 |
10 | 20041005442 |
11 | 8554697017 |
12 | 3a738380aa |
13 | 1b75034003 |
14 | d8191b5aa |
15 | 7c466aa47 |
hex | 4aa897982 |
20041005442 has 16 divisors (see below), whose sum is σ = 30773536992. Its totient is φ = 9783355680.
The previous prime is 20041005431. The next prime is 20041005443. The reversal of 20041005442 is 24450014002.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (20041005443) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162193 + ... + 257659.
It is an arithmetic number, because the mean of its divisors is an integer number (1923346062).
Almost surely, 220041005442 is an apocalyptic number.
20041005442 is a deficient number, since it is larger than the sum of its proper divisors (10732531550).
20041005442 is a wasteful number, since it uses less digits than its factorization.
20041005442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97953.
The product of its (nonzero) digits is 1280, while the sum is 22.
Adding to 20041005442 its reverse (24450014002), we get a palindrome (44491019444).
The spelling of 20041005442 in words is "twenty billion, forty-one million, five thousand, four hundred forty-two".
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