Base | Representation |
---|---|
bin | 101111100010110110… |
… | …1001010110011101111 |
3 | 100202112121102100221001 |
4 | 1133011231022303233 |
5 | 3133100401400421 |
6 | 114523223021131 |
7 | 10243106611231 |
oct | 1370555126357 |
9 | 322477370831 |
10 | 102101200111 |
11 | 3a334513919 |
12 | 1795559a7a7 |
13 | 9821c2a911 |
14 | 4d28140251 |
15 | 29c893c691 |
hex | 17c5b4acef |
102101200111 has 4 divisors (see below), whose sum is σ = 102280640400. Its totient is φ = 101921759824.
The previous prime is 102101200109. The next prime is 102101200141. The reversal of 102101200111 is 111002101201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111002101201 = 1163 ⋅95444627.
It is a cyclic number.
It is not a de Polignac number, because 102101200111 - 21 = 102101200109 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 (102101200141) 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, 89719291 + ... + 89720428.
It is an arithmetic number, because the mean of its divisors is an integer number (25570160100).
Almost surely, 2102101200111 is an apocalyptic number.
102101200111 is a deficient number, since it is larger than the sum of its proper divisors (179440289).
102101200111 is an equidigital number, since it uses as much as digits as its factorization.
102101200111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179440288.
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 102101200111 its reverse (111002101201), we get a palindrome (213103301312).
The spelling of 102101200111 in words is "one hundred two billion, one hundred one million, two hundred thousand, one hundred eleven".
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