Base | Representation |
---|---|
bin | 10011000101111011… |
… | …010111101011110100 |
3 | 1221220201101112212110 |
4 | 103011323113223310 |
5 | 313441114403434 |
6 | 13230125451020 |
7 | 1324010515365 |
oct | 230573275364 |
9 | 57821345773 |
10 | 20500544244 |
11 | 8770028354 |
12 | 3b81710a70 |
13 | 1c192c066b |
14 | dc697db6c |
15 | 7eeb904e9 |
hex | 4c5ed7af4 |
20500544244 has 48 divisors (see below), whose sum is σ = 47974610880. Its totient is φ = 6813546240.
The previous prime is 20500544227. The next prime is 20500544261. The reversal of 20500544244 is 44244500502.
It is an interprime number because it is at equal distance from previous prime (20500544227) and next prime (20500544261).
It is a congruent number.
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, 10193199 + ... + 10195209.
It is an arithmetic number, because the mean of its divisors is an integer number (999471060).
Almost surely, 220500544244 is an apocalyptic number.
It is an amenable number.
20500544244 is an abundant number, since it is smaller than the sum of its proper divisors (27474066636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20500544244 is a wasteful number, since it uses less digits than its factorization.
20500544244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4080 (or 4078 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 30.
The spelling of 20500544244 in words is "twenty billion, five hundred million, five hundred forty-four thousand, two hundred forty-four".
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