Base | Representation |
---|---|
bin | 10010110110100011… |
… | …101110100011111000 |
3 | 1221020202012002221101 |
4 | 102312203232203320 |
5 | 312424112010443 |
6 | 13144355021144 |
7 | 1314430003546 |
oct | 226643564370 |
9 | 57222162841 |
10 | 20242688248 |
11 | 8648519322 |
12 | 3b0b29a7b4 |
13 | 1ba7a5a253 |
14 | da061ad96 |
15 | 7d720884d |
hex | 4b68ee8f8 |
20242688248 has 16 divisors (see below), whose sum is σ = 37994881680. Its totient is φ = 10110719808.
The previous prime is 20242688243. The next prime is 20242688339. The reversal of 20242688248 is 84288624202.
It is a junction number, because it is equal to n+sod(n) for n = 20242688198 and 20242688207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20242688243) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1319940 + ... + 1335187.
It is an arithmetic number, because the mean of its divisors is an integer number (2374680105).
Almost surely, 220242688248 is an apocalyptic number.
It is an amenable number.
20242688248 is a deficient number, since it is larger than the sum of its proper divisors (17752193432).
20242688248 is a wasteful number, since it uses less digits than its factorization.
20242688248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2656086 (or 2656082 counting only the distinct ones).
The product of its (nonzero) digits is 786432, while the sum is 46.
The spelling of 20242688248 in words is "twenty billion, two hundred forty-two million, six hundred eighty-eight thousand, two hundred forty-eight".
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