Base | Representation |
---|---|
bin | 10010101000110000… |
… | …110010010000000010 |
3 | 1220122121122211012110 |
4 | 102220300302100002 |
5 | 311440333331320 |
6 | 13105410040150 |
7 | 1305616436016 |
oct | 225060622002 |
9 | 56577584173 |
10 | 20011230210 |
11 | 85398aa494 |
12 | 3a65879056 |
13 | 1b6bb0a42a |
14 | d7b9aa546 |
15 | 7c1c385e0 |
hex | 4a8c32402 |
20011230210 has 16 divisors (see below), whose sum is σ = 48026952576. Its totient is φ = 5336328048.
The previous prime is 20011230199. The next prime is 20011230227. The reversal of 20011230210 is 1203211002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333520474 + ... + 333520533.
It is an arithmetic number, because the mean of its divisors is an integer number (3001684536).
Almost surely, 220011230210 is an apocalyptic number.
20011230210 is an abundant number, since it is smaller than the sum of its proper divisors (28015722366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20011230210 is a wasteful number, since it uses less digits than its factorization.
20011230210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 667041017.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 20011230210 its reverse (1203211002), we get a palindrome (21214441212).
The spelling of 20011230210 in words is "twenty billion, eleven million, two hundred thirty thousand, two hundred ten".
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