Base | Representation |
---|---|
bin | 10010101110001000… |
… | …110111110100000101 |
3 | 1220212220101110210011 |
4 | 102232020313310011 |
5 | 312131431234113 |
6 | 13122351230221 |
7 | 1311063224512 |
oct | 225610676405 |
9 | 56786343704 |
10 | 20101430533 |
11 | 8585808308 |
12 | 3a8bb18371 |
13 | 1b846cc5c2 |
14 | d8996a309 |
15 | 7c9b0463d |
hex | 4ae237d05 |
20101430533 has 8 divisors (see below), whose sum is σ = 21465377280. Its totient is φ = 18782203440.
The previous prime is 20101430519. The next prime is 20101430561. The reversal of 20101430533 is 33503410102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20101430533 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20101430593) 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 7 ways as a sum of consecutive naturals, for example, 11178985 + ... + 11180782.
It is an arithmetic number, because the mean of its divisors is an integer number (2683172160).
Almost surely, 220101430533 is an apocalyptic number.
It is an amenable number.
20101430533 is a deficient number, since it is larger than the sum of its proper divisors (1363946747).
20101430533 is a wasteful number, since it uses less digits than its factorization.
20101430533 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22359827.
The product of its (nonzero) digits is 1080, while the sum is 22.
Adding to 20101430533 its reverse (33503410102), we get a palindrome (53604840635).
The spelling of 20101430533 in words is "twenty billion, one hundred one million, four hundred thirty thousand, five hundred thirty-three".
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