Base | Representation |
---|---|
bin | 10010101001111000… |
… | …011010010011111110 |
3 | 1220200220222202110120 |
4 | 102221320122103332 |
5 | 312010140202101 |
6 | 13111320315410 |
7 | 1306235150325 |
oct | 225170322376 |
9 | 56626882416 |
10 | 20030006526 |
11 | 8549464402 |
12 | 3a70012b66 |
13 | 1b7298288a |
14 | d802970bc |
15 | 7c36e6b36 |
hex | 4a9e1a4fe |
20030006526 has 64 divisors (see below), whose sum is σ = 42782126400. Its totient is φ = 6229923840.
The previous prime is 20030006467. The next prime is 20030006537. The reversal of 20030006526 is 62560003002.
It is a super-2 number, since 2×200300065262 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20030006496 and 20030006505.
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 31 ways as a sum of consecutive naturals, for example, 11504016 + ... + 11505756.
It is an arithmetic number, because the mean of its divisors is an integer number (668470725).
Almost surely, 220030006526 is an apocalyptic number.
20030006526 is an abundant number, since it is smaller than the sum of its proper divisors (22752119874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20030006526 is a wasteful number, since it uses less digits than its factorization.
20030006526 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2669.
The product of its (nonzero) digits is 2160, while the sum is 24.
Adding to 20030006526 its reverse (62560003002), we get a palindrome (82590009528).
The spelling of 20030006526 in words is "twenty billion, thirty million, six thousand, five hundred twenty-six".
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