Base | Representation |
---|---|
bin | 111000011111111010… |
… | …1001110011000100101 |
3 | 102121011200210200111020 |
4 | 1300333311032120211 |
5 | 3441440440021240 |
6 | 131423243001353 |
7 | 11523445665432 |
oct | 1607765163045 |
9 | 377150720436 |
10 | 121330001445 |
11 | 47501693974 |
12 | 1b621209259 |
13 | b5978c7b83 |
14 | 5c2dc36b89 |
15 | 3251b200d0 |
hex | 1c3fd4e625 |
121330001445 has 8 divisors (see below), whose sum is σ = 194128002336. Its totient is φ = 64709334096.
The previous prime is 121330001413. The next prime is 121330001459. The reversal of 121330001445 is 544100033121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121330001445 - 25 = 121330001413 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4044333367 + ... + 4044333396.
It is an arithmetic number, because the mean of its divisors is an integer number (24266000292).
Almost surely, 2121330001445 is an apocalyptic number.
121330001445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
121330001445 is a deficient number, since it is larger than the sum of its proper divisors (72798000891).
121330001445 is an equidigital number, since it uses as much as digits as its factorization.
121330001445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8088666771.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 121330001445 its reverse (544100033121), we get a palindrome (665430034566).
The spelling of 121330001445 in words is "one hundred twenty-one billion, three hundred thirty million, one thousand, four hundred forty-five".
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