Base | Representation |
---|---|
bin | 111000011001011100… |
… | …1100011000111011101 |
3 | 102120121120112110011202 |
4 | 1300302321203013131 |
5 | 3441014413444013 |
6 | 131345532325245 |
7 | 11515202531063 |
oct | 1606271430735 |
9 | 376546473152 |
10 | 121113031133 |
11 | 4740016a966 |
12 | 1b580613825 |
13 | b56197b483 |
14 | 5c0d0b8033 |
15 | 323ca62858 |
hex | 1c32e631dd |
121113031133 has 8 divisors (see below), whose sum is σ = 128246615352. Its totient is φ = 113980478976.
The previous prime is 121113031087. The next prime is 121113031181. The reversal of 121113031133 is 331130311121.
It can be written as a sum of positive squares in 4 ways, for example, as 91483261444 + 29629769689 = 302462^2 + 172133^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121113031133 - 224 = 121096253917 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 (121113031183) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9560 + ... + 492257.
It is an arithmetic number, because the mean of its divisors is an integer number (16030826919).
Almost surely, 2121113031133 is an apocalyptic number.
It is an amenable number.
121113031133 is a deficient number, since it is larger than the sum of its proper divisors (7133584219).
121113031133 is a wasteful number, since it uses less digits than its factorization.
121113031133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 516031.
The product of its (nonzero) digits is 162, while the sum is 20.
Adding to 121113031133 its reverse (331130311121), we get a palindrome (452243342254).
The spelling of 121113031133 in words is "one hundred twenty-one billion, one hundred thirteen million, thirty-one thousand, one hundred thirty-three".
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