Base | Representation |
---|---|
bin | 10010101111011111… |
… | …000011010111100010 |
3 | 1220221110220020210010 |
4 | 102233133003113202 |
5 | 312203222202432 |
6 | 13124515345350 |
7 | 1311456236532 |
oct | 225737032742 |
9 | 56843806703 |
10 | 20124022242 |
11 | 8597538845 |
12 | 3a975b2256 |
13 | 1b892ac58c |
14 | d8c96b4c2 |
15 | 7cbab83cc |
hex | 4af7c35e2 |
20124022242 has 32 divisors (see below), whose sum is σ = 41183281152. Its totient is φ = 6552682704.
The previous prime is 20124022223. The next prime is 20124022307. The reversal of 20124022242 is 24222042102.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79263 + ... + 215709.
It is an arithmetic number, because the mean of its divisors is an integer number (1286977536).
Almost surely, 220124022242 is an apocalyptic number.
20124022242 is an abundant number, since it is smaller than the sum of its proper divisors (21059258910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20124022242 is a wasteful number, since it uses less digits than its factorization.
20124022242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137022.
The product of its (nonzero) digits is 1024, while the sum is 21.
Adding to 20124022242 its reverse (24222042102), we get a palindrome (44346064344).
The spelling of 20124022242 in words is "twenty billion, one hundred twenty-four million, twenty-two thousand, two hundred forty-two".
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