Base | Representation |
---|---|
bin | 1011000000011100010000… |
… | …0011110010111001111111 |
3 | 1120211221220222100221211200 |
4 | 2300013010003302321333 |
5 | 3041240312310431421 |
6 | 41423402440150543 |
7 | 2356233046260603 |
oct | 260070403627177 |
9 | 46757828327750 |
10 | 12102212202111 |
11 | 3946579314109 |
12 | 14355a6468453 |
13 | 69a306613955 |
14 | 2dba70775503 |
15 | 15ec16487726 |
hex | b01c40f2e7f |
12102212202111 has 12 divisors (see below), whose sum is σ = 17481128906592. Its totient is φ = 8068069594656.
The previous prime is 12102212202109. The next prime is 12102212202121. The reversal of 12102212202111 is 11120221220121.
12102212202111 is a `hidden beast` number, since 1 + 2 + 10 + 221 + 220 + 211 + 1 = 666.
12102212202111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12102212202111 - 21 = 12102212202109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102212202121) 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, 4912846 + ... + 6952731.
It is an arithmetic number, because the mean of its divisors is an integer number (1456760742216).
Almost surely, 212102212202111 is an apocalyptic number.
12102212202111 is a deficient number, since it is larger than the sum of its proper divisors (5378916704481).
12102212202111 is a wasteful number, since it uses less digits than its factorization.
12102212202111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11978910 (or 11978907 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 12102212202111 its reverse (11120221220121), we get a palindrome (23222433422232).
The spelling of 12102212202111 in words is "twelve trillion, one hundred two billion, two hundred twelve million, two hundred two thousand, one hundred eleven".
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