Base | Representation |
---|---|
bin | 110100101110010011… |
… | …1110110111010101001 |
3 | 101211020201020112021201 |
4 | 1221130213312322221 |
5 | 3323340103231441 |
6 | 124003004004201 |
7 | 11115526326433 |
oct | 1513447667251 |
9 | 354221215251 |
10 | 113223102121 |
11 | 44021542478 |
12 | 19b3a230661 |
13 | a8a5196b1c |
14 | 56a12a3653 |
15 | 2e2a05ac31 |
hex | 1a5c9f6ea9 |
113223102121 has 2 divisors, whose sum is σ = 113223102122. Its totient is φ = 113223102120.
The previous prime is 113223102101. The next prime is 113223102193. The reversal of 113223102121 is 121201322311.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 85977968400 + 27245133721 = 293220^2 + 165061^2 .
It is an emirp because it is prime and its reverse (121201322311) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 113223102121 - 211 = 113223100073 is a prime.
It is not a weakly prime, because it can be changed into another prime (113223102101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611551060 + 56611551061.
It is an arithmetic number, because the mean of its divisors is an integer number (56611551061).
Almost surely, 2113223102121 is an apocalyptic number.
It is an amenable number.
113223102121 is a deficient number, since it is larger than the sum of its proper divisors (1).
113223102121 is an equidigital number, since it uses as much as digits as its factorization.
113223102121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 113223102121 its reverse (121201322311), we get a palindrome (234424424432).
The spelling of 113223102121 in words is "one hundred thirteen billion, two hundred twenty-three million, one hundred two thousand, one hundred twenty-one".
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