Base | Representation |
---|---|
bin | 10011000010011000… |
… | …011000111000001010 |
3 | 1221202120102112202000 |
4 | 103002120120320022 |
5 | 313330401324232 |
6 | 13220202251430 |
7 | 1322355664632 |
oct | 230230307012 |
9 | 57676375660 |
10 | 20441042442 |
11 | 873a487807 |
12 | 3b657b6b76 |
13 | 1c09b893b2 |
14 | dbcad16c2 |
15 | 7e983a27c |
hex | 4c2618e0a |
20441042442 has 32 divisors (see below), whose sum is σ = 45725381760. Its totient is φ = 6768554400.
The previous prime is 20441042423. The next prime is 20441042519. The reversal of 20441042442 is 24424014402.
20441042442 is a `hidden beast` number, since 2 + 0 + 4 + 410 + 4 + 244 + 2 = 666.
It is a super-2 number, since 2×204410424422 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245283 + ... + 1261590.
It is an arithmetic number, because the mean of its divisors is an integer number (1428918180).
Almost surely, 220441042442 is an apocalyptic number.
20441042442 is an abundant number, since it is smaller than the sum of its proper divisors (25284339318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20441042442 is a wasteful number, since it uses less digits than its factorization.
20441042442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2507035 (or 2507029 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 27.
Adding to 20441042442 its reverse (24424014402), we get a palindrome (44865056844).
The spelling of 20441042442 in words is "twenty billion, four hundred forty-one million, forty-two thousand, four hundred forty-two".
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