Base | Representation |
---|---|
bin | 11011100101010011111101… |
… | …000101001101110100101101 |
3 | 120220112020200020102101102121 |
4 | 123211103331011031310231 |
5 | 111400031021342424323 |
6 | 1110001350512152541 |
7 | 34360311106005310 |
oct | 3345237505156455 |
9 | 526466606371377 |
10 | 121311302311213 |
11 | 3572091a637073 |
12 | 11732b39838751 |
13 | 528c7b6c78511 |
14 | 21d56d9700977 |
15 | e058ba933a5d |
hex | 6e54fd14dd2d |
121311302311213 has 32 divisors (see below), whose sum is σ = 145998677583360. Its totient is φ = 98610372311040.
The previous prime is 121311302311207. The next prime is 121311302311217. The reversal of 121311302311213 is 312113203113121.
It is a cyclic number.
It is not a de Polignac number, because 121311302311213 - 213 = 121311302303021 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121311302311217) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5914533 + ... + 16661461.
It is an arithmetic number, because the mean of its divisors is an integer number (4562458674480).
Almost surely, 2121311302311213 is an apocalyptic number.
It is an amenable number.
121311302311213 is a deficient number, since it is larger than the sum of its proper divisors (24687375272147).
121311302311213 is a wasteful number, since it uses less digits than its factorization.
121311302311213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10748077.
The product of its (nonzero) digits is 648, while the sum is 25.
Adding to 121311302311213 its reverse (312113203113121), we get a palindrome (433424505424334).
The spelling of 121311302311213 in words is "one hundred twenty-one trillion, three hundred eleven billion, three hundred two million, three hundred eleven thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •