Base | Representation |
---|---|
bin | 10111001101110010000000… |
… | …000111111011010011111101 |
3 | 111101111212101202010122100021 |
4 | 113031302000013323103331 |
5 | 101340320111200401414 |
6 | 1001053021320532141 |
7 | 30335430343311241 |
oct | 2715620007732375 |
9 | 441455352118307 |
10 | 102102112122109 |
11 | 2a595298550720 |
12 | b5500a6921051 |
13 | 44c8259960338 |
14 | 1b2daa9046421 |
15 | bc0d9c145c24 |
hex | 5cdc801fb4fd |
102102112122109 has 16 divisors (see below), whose sum is σ = 112492179910656. Its totient is φ = 91896806296000.
The previous prime is 102102112122103. The next prime is 102102112122161. The reversal of 102102112122109 is 901221211201201.
It is a cyclic number.
It is not a de Polignac number, because 102102112122109 - 237 = 101964673168637 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 (102102112122103) 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, 21818244 + ... + 26081410.
It is an arithmetic number, because the mean of its divisors is an integer number (7030761244416).
Almost surely, 2102102112122109 is an apocalyptic number.
It is an amenable number.
102102112122109 is a deficient number, since it is larger than the sum of its proper divisors (10390067788547).
102102112122109 is a wasteful number, since it uses less digits than its factorization.
102102112122109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4284836.
The product of its (nonzero) digits is 288, while the sum is 25.
The spelling of 102102112122109 in words is "one hundred two trillion, one hundred two billion, one hundred twelve million, one hundred twenty-two thousand, one hundred nine".
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