Base | Representation |
---|---|
bin | 10010101110010011… |
… | …011110100010011000 |
3 | 1220220002121201022000 |
4 | 102232103132202120 |
5 | 312133134214314 |
6 | 13122531001000 |
7 | 1311125653563 |
oct | 225623364230 |
9 | 56802551260 |
10 | 20104210584 |
11 | 8587336a77 |
12 | 3a90a39160 |
13 | 1b85163ac3 |
14 | d8a0914da |
15 | 7c9ea3209 |
hex | 4ae4de898 |
20104210584 has 128 divisors (see below), whose sum is σ = 57405931200. Its totient is φ = 6516357120.
The previous prime is 20104210579. The next prime is 20104210627. The reversal of 20104210584 is 48501240102.
20104210584 is a `hidden beast` number, since 20 + 10 + 42 + 10 + 584 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
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 31 ways as a sum of consecutive naturals, for example, 1285854 + ... + 1301394.
Almost surely, 220104210584 is an apocalyptic number.
20104210584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20104210584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28702965600).
20104210584 is an abundant number, since it is smaller than the sum of its proper divisors (37301720616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20104210584 is a wasteful number, since it uses less digits than its factorization.
20104210584 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15722 (or 15712 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
Adding to 20104210584 its reverse (48501240102), we get a palindrome (68605450686).
The spelling of 20104210584 in words is "twenty billion, one hundred four million, two hundred ten thousand, five hundred eighty-four".
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