Base | Representation |
---|---|
bin | 10111001101111010010010… |
… | …000100101111110010111011 |
3 | 111101112201100101021212010102 |
4 | 113031322102010233302323 |
5 | 101340441313310303422 |
6 | 1001101051451510015 |
7 | 30336163564323056 |
oct | 2715722204576273 |
9 | 441481311255112 |
10 | 102111003212987 |
11 | 2a59904031590a |
12 | b55196845830b |
13 | 44c904599a962 |
14 | 1b302adbcba9d |
15 | bc121c9ad192 |
hex | 5cde9212fcbb |
102111003212987 has 2 divisors, whose sum is σ = 102111003212988. Its totient is φ = 102111003212986.
The previous prime is 102111003212947. The next prime is 102111003213017. The reversal of 102111003212987 is 789212300111201.
It is a strong prime.
It is an emirp because it is prime and its reverse (789212300111201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 102111003212987 - 210 = 102111003211963 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 102111003212987.
It is not a weakly prime, because it can be changed into another prime (102111003212947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055501606493 + 51055501606494.
It is an arithmetic number, because the mean of its divisors is an integer number (51055501606494).
Almost surely, 2102111003212987 is an apocalyptic number.
102111003212987 is a deficient number, since it is larger than the sum of its proper divisors (1).
102111003212987 is an equidigital number, since it uses as much as digits as its factorization.
102111003212987 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12096, while the sum is 38.
The spelling of 102111003212987 in words is "one hundred two trillion, one hundred eleven billion, three million, two hundred twelve thousand, nine hundred eighty-seven".
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