Base | Representation |
---|---|
bin | 11011100001000100110000… |
… | …010000000010111100100101 |
3 | 120212111102001001120021202102 |
4 | 123201010300100002330211 |
5 | 111330243132332342013 |
6 | 1105215511240421445 |
7 | 34330261653546053 |
oct | 3341046020027445 |
9 | 525442031507672 |
10 | 121020103012133 |
11 | 35619379187716 |
12 | 116a660b777885 |
13 | 526b1ba529960 |
14 | 21c55933351d3 |
15 | ded025bd4d58 |
hex | 6e1130402f25 |
121020103012133 has 16 divisors (see below), whose sum is σ = 140257999382256. Its totient is φ = 103416036387840.
The previous prime is 121020103012121. The next prime is 121020103012163. The reversal of 121020103012133 is 331210301020121.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 3499716787009 + 117520386225124 = 1870753^2 + 10840682^2 .
It is a cyclic number.
It is not a de Polignac number, because 121020103012133 - 216 = 121020102946597 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121020103012163) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4488529766 + ... + 4488556727.
It is an arithmetic number, because the mean of its divisors is an integer number (8766124961391).
Almost surely, 2121020103012133 is an apocalyptic number.
121020103012133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
121020103012133 is a deficient number, since it is larger than the sum of its proper divisors (19237896370123).
121020103012133 is a wasteful number, since it uses less digits than its factorization.
121020103012133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8977086584.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 121020103012133 its reverse (331210301020121), we get a palindrome (452230404032254).
The spelling of 121020103012133 in words is "one hundred twenty-one trillion, twenty billion, one hundred three million, twelve thousand, one hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •