Base | Representation |
---|---|
bin | 1110011011100… |
… | …01001111010111 |
3 | 22102202222110222 |
4 | 13031301033113 |
5 | 221442100241 |
6 | 20002304555 |
7 | 2666623442 |
oct | 715611727 |
9 | 272688428 |
10 | 121050071 |
11 | 6236978a |
12 | 3465815b |
13 | 1c103b7c |
14 | 12110659 |
15 | a961a4b |
hex | 73713d7 |
121050071 has 8 divisors (see below), whose sum is σ = 125157888. Its totient is φ = 116955000.
The previous prime is 121050043. The next prime is 121050073. The reversal of 121050071 is 170050121.
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 121050071 - 214 = 121033687 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 (121050073) 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 7 ways as a sum of consecutive naturals, for example, 18596 + ... + 24246.
It is an arithmetic number, because the mean of its divisors is an integer number (15644736).
Almost surely, 2121050071 is an apocalyptic number.
121050071 is a deficient number, since it is larger than the sum of its proper divisors (4107817).
121050071 is an equidigital number, since it uses as much as digits as its factorization.
121050071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6373.
The product of its (nonzero) digits is 70, while the sum is 17.
The square root of 121050071 is about 11002.2757191410. The cubic root of 121050071 is about 494.6769595842.
Subtracting 121050071 from its reverse (170050121), we obtain a triangular number (49000050 = T9899).
The spelling of 121050071 in words is "one hundred twenty-one million, fifty thousand, seventy-one".
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