Base | Representation |
---|---|
bin | 10011000111010111… |
… | …111000010010100010 |
3 | 1221222102000121201011 |
4 | 103013113320102202 |
5 | 314013321420132 |
6 | 13232353331134 |
7 | 1324423610413 |
oct | 230727702242 |
9 | 57872017634 |
10 | 20524795042 |
11 | 8782791334 |
12 | 3b89866aaa |
13 | 1c2133184b |
14 | dc9c9380a |
15 | 801d80b47 |
hex | 4c75f84a2 |
20524795042 has 8 divisors (see below), whose sum is σ = 30821904576. Its totient is φ = 10250826852.
The previous prime is 20524795013. The next prime is 20524795051. The reversal of 20524795042 is 24059742502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×205247950422 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20524794986 and 20524795004.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 5783118 + ... + 5786665.
It is an arithmetic number, because the mean of its divisors is an integer number (3852738072).
Almost surely, 220524795042 is an apocalyptic number.
20524795042 is a deficient number, since it is larger than the sum of its proper divisors (10297109534).
20524795042 is a wasteful number, since it uses less digits than its factorization.
20524795042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11570672.
The product of its (nonzero) digits is 201600, while the sum is 40.
The spelling of 20524795042 in words is "twenty billion, five hundred twenty-four million, seven hundred ninety-five thousand, forty-two".
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