Base | Representation |
---|---|
bin | 10010101010011110… |
… | …101000000010100000 |
3 | 1220201121211201011102 |
4 | 102222132220002200 |
5 | 312020221233344 |
6 | 13112315133532 |
7 | 1306416252413 |
oct | 225236500240 |
9 | 56647751142 |
10 | 20040024224 |
11 | 85540868a0 |
12 | 3a734442a8 |
13 | 1b74a7c4cc |
14 | d81743b7a |
15 | 7c4524e4e |
hex | 4aa7a80a0 |
20040024224 has 48 divisors (see below), whose sum is σ = 43052446080. Its totient is φ = 9106575360.
The previous prime is 20040024217. The next prime is 20040024229. The reversal of 20040024224 is 42242004002.
It is a junction number, because it is equal to n+sod(n) for n = 20040024196 and 20040024205.
It is not an unprimeable number, because it can be changed into a prime (20040024229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955177 + ... + 1965399.
It is an arithmetic number, because the mean of its divisors is an integer number (896925960).
Almost surely, 220040024224 is an apocalyptic number.
It is an amenable number.
20040024224 is an abundant number, since it is smaller than the sum of its proper divisors (23012421856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20040024224 is a wasteful number, since it uses less digits than its factorization.
20040024224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15813 (or 15805 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 20.
Adding to 20040024224 its reverse (42242004002), we get a palindrome (62282028226).
The spelling of 20040024224 in words is "twenty billion, forty million, twenty-four thousand, two hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •