Base | Representation |
---|---|
bin | 110010010001100110110010… |
… | …101111101100010100010001 |
3 | 1001222220010021002211101010011 |
4 | 302101212302233230110101 |
5 | 212440200301303241423 |
6 | 2102133314100234521 |
7 | 64400554460220133 |
oct | 6221466257542421 |
9 | 1058803232741104 |
10 | 221112210212113 |
11 | 644a9186310470 |
12 | 2097103b99ba41 |
13 | 964ba3ac03c5c |
14 | 3c85c60c47053 |
15 | 1a8698181bb0d |
hex | c919b2bec511 |
221112210212113 has 8 divisors (see below), whose sum is σ = 242948667860640. Its totient is φ = 199564977168480.
The previous prime is 221112210212107. The next prime is 221112210212183. The reversal of 221112210212113 is 311212012211122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 221112210212113 - 217 = 221112210081041 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (221112210212183) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72306149620 + ... + 72306152677.
It is an arithmetic number, because the mean of its divisors is an integer number (30368583482580).
Almost surely, 2221112210212113 is an apocalyptic number.
It is an amenable number.
221112210212113 is a deficient number, since it is larger than the sum of its proper divisors (21836457648527).
221112210212113 is a wasteful number, since it uses less digits than its factorization.
221112210212113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144612302447.
The product of its (nonzero) digits is 192, while the sum is 22.
Adding to 221112210212113 its reverse (311212012211122), we get a palindrome (532324222423235).
The spelling of 221112210212113 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred ten million, two hundred twelve thousand, one hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •