Base | Representation |
---|---|
bin | 111000011100101010… |
… | …1011011100000100101 |
3 | 102120220002201000010221 |
4 | 1300321111123200211 |
5 | 3441230034101201 |
6 | 131404350444341 |
7 | 11520653345536 |
oct | 1607125334045 |
9 | 376802630127 |
10 | 121221003301 |
11 | 47456106a62 |
12 | 1b5b08036b1 |
13 | b57b153828 |
14 | 5c1d58268d |
15 | 324728e4a1 |
hex | 1c3955b825 |
121221003301 has 8 divisors (see below), whose sum is σ = 131082537600. Its totient is φ = 111662900928.
The previous prime is 121221003271. The next prime is 121221003329. The reversal of 121221003301 is 103300122121.
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 121221003301 - 217 = 121220872229 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 (121221003341) 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, 75857151 + ... + 75858748.
It is an arithmetic number, because the mean of its divisors is an integer number (16385317200).
Almost surely, 2121221003301 is an apocalyptic number.
It is an amenable number.
121221003301 is a deficient number, since it is larger than the sum of its proper divisors (9861534299).
121221003301 is a wasteful number, since it uses less digits than its factorization.
121221003301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151715963.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 121221003301 its reverse (103300122121), we get a palindrome (224521125422).
The spelling of 121221003301 in words is "one hundred twenty-one billion, two hundred twenty-one million, three thousand, three hundred one".
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