Base | Representation |
---|---|
bin | 10010101111011111… |
… | …100000001001010001 |
3 | 1220221111010020110201 |
4 | 102233133200021101 |
5 | 312203234440423 |
6 | 13124522055201 |
7 | 1311460240300 |
oct | 225737401121 |
9 | 56844106421 |
10 | 20124140113 |
11 | 8597609360 |
12 | 3a9764a501 |
13 | 1b8932111c |
14 | d8c99c437 |
15 | 7cbadd2ad |
hex | 4af7e0251 |
20124140113 has 24 divisors (see below), whose sum is σ = 25570858464. Its totient is φ = 15660892800.
The previous prime is 20124140093. The next prime is 20124140159. The reversal of 20124140113 is 31104142102.
It is not a de Polignac number, because 20124140113 - 25 = 20124140081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20124140173) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 400473 + ... + 447913.
It is an arithmetic number, because the mean of its divisors is an integer number (1065452436).
Almost surely, 220124140113 is an apocalyptic number.
It is an amenable number.
20124140113 is a deficient number, since it is larger than the sum of its proper divisors (5446718351).
20124140113 is a wasteful number, since it uses less digits than its factorization.
20124140113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48253 (or 48246 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 20124140113 its reverse (31104142102), we get a palindrome (51228282215).
The spelling of 20124140113 in words is "twenty billion, one hundred twenty-four million, one hundred forty thousand, one hundred thirteen".
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