Base | Representation |
---|---|
bin | 10011000111010110… |
… | …000001111001110111 |
3 | 1221222101002222112122 |
4 | 103013112001321313 |
5 | 314013210411020 |
6 | 13232335110155 |
7 | 1324416520610 |
oct | 230726017167 |
9 | 57871088478 |
10 | 20524310135 |
11 | 878248aa8a |
12 | 3b8967235b |
13 | 1c211c1c14 |
14 | dc9ba8c07 |
15 | 801cd7125 |
hex | 4c7581e77 |
20524310135 has 16 divisors (see below), whose sum is σ = 28486757376. Its totient is φ = 13904246688.
The previous prime is 20524310123. The next prime is 20524310143. The reversal of 20524310135 is 53101342502.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 20524310135 - 28 = 20524309879 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3529679 + ... + 3535488.
It is an arithmetic number, because the mean of its divisors is an integer number (1780422336).
Almost surely, 220524310135 is an apocalyptic number.
20524310135 is a deficient number, since it is larger than the sum of its proper divisors (7962447241).
20524310135 is an equidigital number, since it uses as much as digits as its factorization.
20524310135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7065262.
The product of its (nonzero) digits is 3600, while the sum is 26.
Adding to 20524310135 its reverse (53101342502), we get a palindrome (73625652637).
The spelling of 20524310135 in words is "twenty billion, five hundred twenty-four million, three hundred ten thousand, one hundred thirty-five".
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