Base | Representation |
---|---|
bin | 10010101010001000… |
… | …100100100011110000 |
3 | 1220201012221222112121 |
4 | 102222020210203300 |
5 | 312012231232200 |
6 | 13111551204024 |
7 | 1306316153065 |
oct | 225210444360 |
9 | 56635858477 |
10 | 20034242800 |
11 | 8550898160 |
12 | 3a71516614 |
13 | 1b73806b50 |
14 | d80a7ac6c |
15 | 7c3c81e1a |
hex | 4aa2248f0 |
20034242800 has 120 divisors (see below), whose sum is σ = 56547162000. Its totient is φ = 6724761600.
The previous prime is 20034242797. The next prime is 20034242843. The reversal of 20034242800 is 824243002.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 117925 + ... + 232324.
It is an arithmetic number, because the mean of its divisors is an integer number (471226350).
Almost surely, 220034242800 is an apocalyptic number.
20034242800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20034242800 is an abundant number, since it is smaller than the sum of its proper divisors (36512919200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20034242800 is a wasteful number, since it uses less digits than its factorization.
20034242800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 350291 (or 350280 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 20034242800 its reverse (824243002), we get a palindrome (20858485802).
The spelling of 20034242800 in words is "twenty billion, thirty-four million, two hundred forty-two thousand, eight hundred".
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