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121234404141 = 3287715359737
BaseRepresentation
bin111000011101000100…
…0100011001100101101
3102120221000220211122100
41300322020203030231
53441242001413031
6131405550005313
711521205301204
oct1607210431455
9376830824570
10121234404141
114746272a234
121b5b51a6839
13b580b66316
145c2127023b
153248539de6
hex1c3a22332d

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".

Divisors: 1 3 9 877 2631 7893 15359737 46079211 138237633 13470489349 40411468047 121234404141