Base | Representation |
---|---|
bin | 10010111010010101… |
… | …010011011100011000 |
3 | 1221102011100111022120 |
4 | 102322111103130120 |
5 | 313041320003044 |
6 | 13154540221240 |
7 | 1316126200620 |
oct | 227225233430 |
9 | 57364314276 |
10 | 20306016024 |
11 | 8680242428 |
12 | 3b2853a820 |
13 | 1bb7c00ac8 |
14 | da8bc3880 |
15 | 7dca67519 |
hex | 4ba553718 |
20306016024 has 32 divisors (see below), whose sum is σ = 58017189120. Its totient is φ = 5801718816.
The previous prime is 20306016013. The next prime is 20306016043. The reversal of 20306016024 is 42061060302.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 20306015985 and 20306016003.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 60434404 + ... + 60434739.
It is an arithmetic number, because the mean of its divisors is an integer number (1813037160).
Almost surely, 220306016024 is an apocalyptic number.
20306016024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
20306016024 is an abundant number, since it is smaller than the sum of its proper divisors (37711173096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20306016024 is a wasteful number, since it uses less digits than its factorization.
20306016024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120869159 (or 120869155 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 20306016024 its reverse (42061060302), we get a palindrome (62367076326).
The spelling of 20306016024 in words is "twenty billion, three hundred six million, sixteen thousand, twenty-four".
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