Base | Representation |
---|---|
bin | 111000011100111011… |
… | …1110000011101011011 |
3 | 102120220201122012001111 |
4 | 1300321313300131123 |
5 | 3441234340031021 |
6 | 131405311401151 |
7 | 11521123005046 |
oct | 1607167603533 |
9 | 376821565044 |
10 | 121230002011 |
11 | 474601a2908 |
12 | 1b5b38231b7 |
13 | b57cc84701 |
14 | 5c20845c5d |
15 | 3247e6a8e1 |
hex | 1c39df075b |
121230002011 has 8 divisors (see below), whose sum is σ = 122512122864. Its totient is φ = 119950643040.
The previous prime is 121230001987. The next prime is 121230002029. The reversal of 121230002011 is 110200032121.
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 121230002011 - 225 = 121196447579 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121230001982 and 121230002000.
It is not an unprimeable number, because it can be changed into a prime (121230002041) 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, 602160 + ... + 777853.
It is an arithmetic number, because the mean of its divisors is an integer number (15314015358).
Almost surely, 2121230002011 is an apocalyptic number.
121230002011 is a deficient number, since it is larger than the sum of its proper divisors (1282120853).
121230002011 is a wasteful number, since it uses less digits than its factorization.
121230002011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1380941.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 121230002011 its reverse (110200032121), we get a palindrome (231430034132).
The spelling of 121230002011 in words is "one hundred twenty-one billion, two hundred thirty million, two thousand, eleven".
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