Base | Representation |
---|---|
bin | 10010101111100000… |
… | …000111011110111010 |
3 | 1220221111102102111110 |
4 | 102233200013132322 |
5 | 312203310114432 |
6 | 13124525341150 |
7 | 1311461511123 |
oct | 225740073672 |
9 | 56844372443 |
10 | 20124301242 |
11 | 8597709421 |
12 | 3a977077b6 |
13 | 1b89379576 |
14 | d8ca0104a |
15 | 7cbb20dcc |
hex | 4af8077ba |
20124301242 has 32 divisors (see below), whose sum is σ = 42623755200. Its totient is φ = 6312382208.
The previous prime is 20124301229. The next prime is 20124301271. The reversal of 20124301242 is 24210342102.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 701884 + ... + 729992.
It is an arithmetic number, because the mean of its divisors is an integer number (1331992350).
Almost surely, 220124301242 is an apocalyptic number.
20124301242 is an abundant number, since it is smaller than the sum of its proper divisors (22499453958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20124301242 is a wasteful number, since it uses less digits than its factorization.
20124301242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35150.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 20124301242 its reverse (24210342102), we get a palindrome (44334643344).
The spelling of 20124301242 in words is "twenty billion, one hundred twenty-four million, three hundred one thousand, two hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •