Base | Representation |
---|---|
bin | 101111100101011100… |
… | …1011011110101001011 |
3 | 100202202200022120202201 |
4 | 1133022321123311023 |
5 | 3133240201123033 |
6 | 114540013541031 |
7 | 10245215142451 |
oct | 1371271336513 |
9 | 322680276681 |
10 | 102188301643 |
11 | 3a3796a555a |
12 | 1797a7a4777 |
13 | 9836ca649c |
14 | 4d359349d1 |
15 | 29d13e547d |
hex | 17cae5bd4b |
102188301643 has 4 divisors (see below), whose sum is σ = 102192008040. Its totient is φ = 102184595248.
The previous prime is 102188301629. The next prime is 102188301653. The reversal of 102188301643 is 346103881201.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102188301643 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102188301623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811530 + ... + 1867087.
It is an arithmetic number, because the mean of its divisors is an integer number (25548002010).
Almost surely, 2102188301643 is an apocalyptic number.
102188301643 is a deficient number, since it is larger than the sum of its proper divisors (3706397).
102188301643 is an equidigital number, since it uses as much as digits as its factorization.
102188301643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3706396.
The product of its (nonzero) digits is 27648, while the sum is 37.
The spelling of 102188301643 in words is "one hundred two billion, one hundred eighty-eight million, three hundred one thousand, six hundred forty-three".
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