Base | Representation |
---|---|
bin | 10010110111000001… |
… | …011011000011101100 |
3 | 1221021021211121011211 |
4 | 102313001123003230 |
5 | 312433110111214 |
6 | 13145233524204 |
7 | 1314553114651 |
oct | 226701330354 |
9 | 57237747154 |
10 | 20250472684 |
11 | 8651955942 |
12 | 3b11a13664 |
13 | 1ba9554520 |
14 | da1685c28 |
15 | 7d7c450c4 |
hex | 4b705b0ec |
20250472684 has 24 divisors (see below), whose sum is σ = 38232195120. Its totient is φ = 9329757504.
The previous prime is 20250472681. The next prime is 20250472721. The reversal of 20250472684 is 48627405202.
It is not an unprimeable number, because it can be changed into a prime (20250472681) 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, 316579 + ... + 375130.
It is an arithmetic number, because the mean of its divisors is an integer number (1593008130).
Almost surely, 220250472684 is an apocalyptic number.
It is an amenable number.
20250472684 is a deficient number, since it is larger than the sum of its proper divisors (17981722436).
20250472684 is a wasteful number, since it uses less digits than its factorization.
20250472684 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 692289 (or 692287 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 40.
Adding to 20250472684 its reverse (48627405202), we get a palindrome (68877877886).
The spelling of 20250472684 in words is "twenty billion, two hundred fifty million, four hundred seventy-two thousand, six hundred eighty-four".
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