Base | Representation |
---|---|
bin | 111000011101000100… |
… | …0100011001100101101 |
3 | 102120221000220211122100 |
4 | 1300322020203030231 |
5 | 3441242001413031 |
6 | 131405550005313 |
7 | 11521205301204 |
oct | 1607210431455 |
9 | 376830824570 |
10 | 121234404141 |
11 | 4746272a234 |
12 | 1b5b51a6839 |
13 | b580b66316 |
14 | 5c2127023b |
15 | 3248539de6 |
hex | 1c3a22332d |
121234404141 has 12 divisors (see below), whose sum is σ = 175316049532. Its totient is φ = 80730772416.
The previous prime is 121234404101. The next prime is 121234404157. The reversal of 121234404141 is 141404432121.
121234404141 is a `hidden beast` number, since 1 + 21 + 234 + 404 + 1 + 4 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 104601143241 + 16633260900 = 323421^2 + 128970^2 .
It is not a de Polignac number, because 121234404141 - 218 = 121234141997 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 (121234404101) 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 11 ways as a sum of consecutive naturals, for example, 7671976 + ... + 7687761.
Almost surely, 2121234404141 is an apocalyptic number.
It is an amenable number.
121234404141 is a deficient number, since it is larger than the sum of its proper divisors (54081645391).
121234404141 is a wasteful number, since it uses less digits than its factorization.
121234404141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15360620 (or 15360617 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 121234404141 its reverse (141404432121), we get a palindrome (262638836262).
The spelling of 121234404141 in words is "one hundred twenty-one billion, two hundred thirty-four million, four hundred four thousand, one hundred forty-one".
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