Base | Representation |
---|---|
bin | 10001101001000010111… |
… | …010001010010010110001 |
3 | 11021220011111120112110220 |
4 | 101221002322022102301 |
5 | 124330244122221431 |
6 | 2324531403243253 |
7 | 153405002125236 |
oct | 21510272122261 |
9 | 4256144515426 |
10 | 1212303320241 |
11 | 42815368a752 |
12 | 176b51b19529 |
13 | 8a420540660 |
14 | 4296654178d |
15 | 21804dc3b96 |
hex | 11a42e8a4b1 |
1212303320241 has 32 divisors (see below), whose sum is σ = 1743154898688. Its totient is φ = 744999889920.
The previous prime is 1212303320231. The next prime is 1212303320279. The reversal of 1212303320241 is 1420233032121.
It is not a de Polignac number, because 1212303320241 - 25 = 1212303320209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1212303320201) 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 31 ways as a sum of consecutive naturals, for example, 130956085 + ... + 130965341.
It is an arithmetic number, because the mean of its divisors is an integer number (54473590584).
Almost surely, 21212303320241 is an apocalyptic number.
It is an amenable number.
1212303320241 is a deficient number, since it is larger than the sum of its proper divisors (530851578447).
1212303320241 is a wasteful number, since it uses less digits than its factorization.
1212303320241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13561.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 1212303320241 its reverse (1420233032121), we get a palindrome (2632536352362).
The spelling of 1212303320241 in words is "one trillion, two hundred twelve billion, three hundred three million, three hundred twenty thousand, two hundred forty-one".
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