Base | Representation |
---|---|
bin | 10010110110100101… |
… | …111000111100000100 |
3 | 1221020210020220102211 |
4 | 102312211320330010 |
5 | 312424233130134 |
6 | 13144415113204 |
7 | 1314434554165 |
oct | 226645707404 |
9 | 57223226384 |
10 | 20243255044 |
11 | 8648876151 |
12 | 3b0b512804 |
13 | 1ba7bc822c |
14 | da072776c |
15 | 7d72bb764 |
hex | 4b6978f04 |
20243255044 has 24 divisors (see below), whose sum is σ = 37316109600. Its totient is φ = 9582249600.
The previous prime is 20243255009. The next prime is 20243255051. The reversal of 20243255044 is 44055234202.
It is a junction number, because it is equal to n+sod(n) for n = 20243254997 and 20243255015.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18492 + ... + 202060.
It is an arithmetic number, because the mean of its divisors is an integer number (1554837900).
Almost surely, 220243255044 is an apocalyptic number.
It is an amenable number.
20243255044 is a deficient number, since it is larger than the sum of its proper divisors (17072854556).
20243255044 is a wasteful number, since it uses less digits than its factorization.
20243255044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185043 (or 185041 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 31.
Adding to 20243255044 its reverse (44055234202), we get a palindrome (64298489246).
The spelling of 20243255044 in words is "twenty billion, two hundred forty-three million, two hundred fifty-five thousand, forty-four".
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