Base | Representation |
---|---|
bin | 11001011110000111110001… |
… | …111111011111111111001001 |
3 | 112200122010001012112102001021 |
4 | 121132013301333133333021 |
5 | 104140323204103031441 |
6 | 1034125441145552441 |
7 | 32411154223213654 |
oct | 3136076177377711 |
9 | 480563035472037 |
10 | 112021102002121 |
11 | 32769978772554 |
12 | 106925344a5721 |
13 | 4a67710612500 |
14 | 1d93bc91b689b |
15 | ce3dd508a3d1 |
hex | 65e1f1fdffc9 |
112021102002121 has 12 divisors (see below), whose sum is σ = 121302126746460. Its totient is φ = 103403096659200.
The previous prime is 112021102002107. The next prime is 112021102002169. The reversal of 112021102002121 is 121200201120211.
It can be written as a sum of positive squares in 6 ways, for example, as 20781563342400 + 91239538659721 = 4558680^2 + 9551939^2 .
It is not a de Polignac number, because 112021102002121 - 215 = 112021101969353 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 112021102002095 and 112021102002104.
It is not an unprimeable number, because it can be changed into a prime (112021102002101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14668365 + ... + 20957173.
It is an arithmetic number, because the mean of its divisors is an integer number (10108510562205).
Almost surely, 2112021102002121 is an apocalyptic number.
It is an amenable number.
112021102002121 is a deficient number, since it is larger than the sum of its proper divisors (9281024744339).
112021102002121 is a wasteful number, since it uses less digits than its factorization.
112021102002121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6394236 (or 6394223 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 112021102002121 its reverse (121200201120211), we get a palindrome (233221303122332).
The spelling of 112021102002121 in words is "one hundred twelve trillion, twenty-one billion, one hundred two million, two thousand, one hundred twenty-one".
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