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121420024034213 = 7910722763278123
BaseRepresentation
bin11011100110111001001101…
…011001101011001110100101
3120220220122022020112011102002
4123212321031121223032211
5111403321202123043323
61110123331120055045
734401210246261542
oct3346711531531645
9526818266464362
10121420024034213
1135762a41176803
1211750020464485
135299b226a4ba8
1421daa90c19bc9
15e086306cc828
hex6e6e4d66b3a5

121420024034213 has 16 divisors (see below), whose sum is σ = 124652842030080. Its totient is φ = 118239473869296.

The previous prime is 121420024034189. The next prime is 121420024034219. The reversal of 121420024034213 is 312430420024121.

It is a cyclic number.

It is not a de Polignac number, because 121420024034213 - 232 = 121415729066917 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 (121420024034219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29720231 + ... + 33557892.

It is an arithmetic number, because the mean of its divisors is an integer number (7790802626880).

Almost surely, 2121420024034213 is an apocalyptic number.

It is an amenable number.

121420024034213 is a deficient number, since it is larger than the sum of its proper divisors (3232817995867).

121420024034213 is a wasteful number, since it uses less digits than its factorization.

121420024034213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63278536.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 121420024034213 its reverse (312430420024121), we get a palindrome (433850444058334).

The spelling of 121420024034213 in words is "one hundred twenty-one trillion, four hundred twenty billion, twenty-four million, thirty-four thousand, two hundred thirteen".

Divisors: 1 79 107 227 8453 17933 24289 1918831 63278123 4998971717 6770759161 14364133921 534889973719 1134766579759 1536962329547 121420024034213