Base | Representation |
---|---|
bin | 111000011111010100… |
… | …1000010100011010001 |
3 | 102121010022020000212022 |
4 | 1300332221002203101 |
5 | 3441420331430113 |
6 | 131421250541225 |
7 | 11523114145643 |
oct | 1607651024321 |
9 | 377108200768 |
10 | 121310030033 |
11 | 474a1393075 |
12 | 1b616597815 |
13 | b59372477a |
14 | 5c2b318893 |
15 | 324eec7908 |
hex | 1c3ea428d1 |
121310030033 has 4 divisors (see below), whose sum is σ = 121316608308. Its totient is φ = 121303451760.
The previous prime is 121310030011. The next prime is 121310030081. The reversal of 121310030033 is 330030013121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 15809793169 + 105500236864 = 125737^2 + 324808^2 .
It is a cyclic number.
It is not a de Polignac number, because 121310030033 - 220 = 121308981457 is a prime.
It is a super-2 number, since 2×1213100300332 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121310029993 and 121310030020.
It is not an unprimeable number, because it can be changed into a prime (121310030833) 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 3 ways as a sum of consecutive naturals, for example, 3261398 + ... + 3298383.
It is an arithmetic number, because the mean of its divisors is an integer number (30329152077).
Almost surely, 2121310030033 is an apocalyptic number.
It is an amenable number.
121310030033 is a deficient number, since it is larger than the sum of its proper divisors (6578275).
121310030033 is an equidigital number, since it uses as much as digits as its factorization.
121310030033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6578274.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 121310030033 its reverse (330030013121), we get a palindrome (451340043154).
The spelling of 121310030033 in words is "one hundred twenty-one billion, three hundred ten million, thirty thousand, thirty-three".
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