Base | Representation |
---|---|
bin | 10001011110100010011… |
… | …100101011011000100001 |
3 | 11020211001020110122100202 |
4 | 101132202130223120201 |
5 | 124134142423133210 |
6 | 2315424102354545 |
7 | 152525266425536 |
oct | 21364234533041 |
9 | 4224036418322 |
10 | 1201021302305 |
11 | 42339423a690 |
12 | 17492372ba55 |
13 | 89343072cb6 |
14 | 421b601cd8d |
15 | 213946c89a5 |
hex | 117a272b621 |
1201021302305 has 32 divisors (see below), whose sum is σ = 1643507712000. Its totient is φ = 834593572800.
The previous prime is 1201021302301. The next prime is 1201021302373. The reversal of 1201021302305 is 5032031201021.
It is not a de Polignac number, because 1201021302305 - 22 = 1201021302301 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1201021302301) by changing a digit.
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, 4323605 + ... + 4592994.
It is an arithmetic number, because the mean of its divisors is an integer number (51359616000).
Almost surely, 21201021302305 is an apocalyptic number.
It is an amenable number.
1201021302305 is a deficient number, since it is larger than the sum of its proper divisors (442486409695).
1201021302305 is a wasteful number, since it uses less digits than its factorization.
1201021302305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8916725.
The product of its (nonzero) digits is 360, while the sum is 20.
Adding to 1201021302305 its reverse (5032031201021), we get a palindrome (6233052503326).
The spelling of 1201021302305 in words is "one trillion, two hundred one billion, twenty-one million, three hundred two thousand, three hundred five".
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