Base | Representation |
---|---|
bin | 1110011011101… |
… | …10001110000111 |
3 | 22102211000110112 |
4 | 13031312032013 |
5 | 221443223341 |
6 | 20002543235 |
7 | 3000040064 |
oct | 715661607 |
9 | 272730415 |
10 | 121070471 |
11 | 62383045 |
12 | 34667b1b |
13 | 1c110242 |
14 | 12117c6b |
15 | a967aeb |
hex | 7376387 |
121070471 has 2 divisors, whose sum is σ = 121070472. Its totient is φ = 121070470.
The previous prime is 121070437. The next prime is 121070473. The reversal of 121070471 is 174070121.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121070471 is a prime.
It is a super-3 number, since 3×1210704713 (a number of 25 digits) contains 333 as substring.
Together with 121070473, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121070473) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60535235 + 60535236.
It is an arithmetic number, because the mean of its divisors is an integer number (60535236).
Almost surely, 2121070471 is an apocalyptic number.
121070471 is a deficient number, since it is larger than the sum of its proper divisors (1).
121070471 is an equidigital number, since it uses as much as digits as its factorization.
121070471 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 392, while the sum is 23.
The square root of 121070471 is about 11003.2027610146. The cubic root of 121070471 is about 494.7047465517.
The spelling of 121070471 in words is "one hundred twenty-one million, seventy thousand, four hundred seventy-one".
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