Base | Representation |
---|---|
bin | 10010101111110110… |
… | …000000100100111100 |
3 | 1220221220012222202122 |
4 | 102233312000210330 |
5 | 312211242240444 |
6 | 13125252342112 |
7 | 1311561342425 |
oct | 225766004474 |
9 | 56856188678 |
10 | 20130040124 |
11 | 859a9790a7 |
12 | 3a99614938 |
13 | 1b8a60875c |
14 | d8d69664c |
15 | 7cc3a64ee |
hex | 4afd8093c |
20130040124 has 96 divisors (see below), whose sum is σ = 38640053760. Its totient is φ = 9169977600.
The previous prime is 20130040111. The next prime is 20130040129. The reversal of 20130040124 is 42104003102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20130040129) 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 31 ways as a sum of consecutive naturals, for example, 133311449 + ... + 133311599.
It is an arithmetic number, because the mean of its divisors is an integer number (402500560).
Almost surely, 220130040124 is an apocalyptic number.
It is an amenable number.
20130040124 is a deficient number, since it is larger than the sum of its proper divisors (18510013636).
20130040124 is a wasteful number, since it uses less digits than its factorization.
20130040124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 368 (or 328 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 20130040124 its reverse (42104003102), we get a palindrome (62234043226).
The spelling of 20130040124 in words is "twenty billion, one hundred thirty million, forty thousand, one hundred twenty-four".
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