Base | Representation |
---|---|
bin | 10011000111011010… |
… | …001110011100000011 |
3 | 1221222110011212100021 |
4 | 103013122032130003 |
5 | 314014001110201 |
6 | 13232414434311 |
7 | 1324432051426 |
oct | 230732163403 |
9 | 57873155307 |
10 | 20525410051 |
11 | 8783071403 |
12 | 3b89b02997 |
13 | 1c214b8763 |
14 | dc9db39bd |
15 | 801e52ea1 |
hex | 4c768e703 |
20525410051 has 8 divisors (see below), whose sum is σ = 20777621760. Its totient is φ = 20273315592.
The previous prime is 20525410039. The next prime is 20525410111. The reversal of 20525410051 is 15001452502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20525410051 - 25 = 20525410019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20525409998 and 20525410025.
It is not an unprimeable number, because it can be changed into a prime (20525414051) 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, 353410 + ... + 407368.
It is an arithmetic number, because the mean of its divisors is an integer number (2597202720).
Almost surely, 220525410051 is an apocalyptic number.
20525410051 is a deficient number, since it is larger than the sum of its proper divisors (252211709).
20525410051 is an equidigital number, since it uses as much as digits as its factorization.
20525410051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58625.
The product of its (nonzero) digits is 2000, while the sum is 25.
Adding to 20525410051 its reverse (15001452502), we get a palindrome (35526862553).
The spelling of 20525410051 in words is "twenty billion, five hundred twenty-five million, four hundred ten thousand, fifty-one".
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