Base | Representation |
---|---|
bin | 11011100011111111000001… |
… | …101010110100000100000111 |
3 | 120220012112021222022000200220 |
4 | 123203333001222310010013 |
5 | 111342032241433032444 |
6 | 1105451430022435423 |
7 | 34350602234352450 |
oct | 3343770152640407 |
9 | 526175258260626 |
10 | 121220111220999 |
11 | 356961846452aa |
12 | 11719329b92b73 |
13 | 528401346133b |
14 | 21d1128552127 |
15 | e0332ec2b619 |
hex | 6e3fc1ab4107 |
121220111220999 has 32 divisors (see below), whose sum is σ = 185048184643584. Its totient is φ = 69144298483680.
The previous prime is 121220111220983. The next prime is 121220111221007. The reversal of 121220111220999 is 999022111022121.
It is not a de Polignac number, because 121220111220999 - 24 = 121220111220983 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 121220111220999.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121220111220959) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27743254 + ... + 31813964.
It is an arithmetic number, because the mean of its divisors is an integer number (5782755770112).
Almost surely, 2121220111220999 is an apocalyptic number.
121220111220999 is a deficient number, since it is larger than the sum of its proper divisors (63828073422585).
121220111220999 is a wasteful number, since it uses less digits than its factorization.
121220111220999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4073267.
The product of its (nonzero) digits is 23328, while the sum is 42.
The spelling of 121220111220999 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty thousand, nine hundred ninety-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •