Base | Representation |
---|---|
bin | 101111100010111000… |
… | …0101011111001110101 |
3 | 100202112200011012122211 |
4 | 1133011300223321311 |
5 | 3133101120401401 |
6 | 114523254453421 |
7 | 10243120501240 |
oct | 1370560537165 |
9 | 322480135584 |
10 | 102102122101 |
11 | 3a334a935a1 |
12 | 17955964271 |
13 | 9822191485 |
14 | 4d28300257 |
15 | 29c8a70951 |
hex | 17c5c2be75 |
102102122101 has 8 divisors (see below), whose sum is σ = 119534192064. Its totient is φ = 85381565280.
The previous prime is 102102122033. The next prime is 102102122147. The reversal of 102102122101 is 101221201201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102102122101 - 223 = 102093733493 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102102122191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177877975 + ... + 177878548.
It is an arithmetic number, because the mean of its divisors is an integer number (14941774008).
Almost surely, 2102102122101 is an apocalyptic number.
It is an amenable number.
102102122101 is a deficient number, since it is larger than the sum of its proper divisors (17432069963).
102102122101 is an equidigital number, since it uses as much as digits as its factorization.
102102122101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 355756571.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 102102122101 its reverse (101221201201), we get a palindrome (203323323302).
The spelling of 102102122101 in words is "one hundred two billion, one hundred two million, one hundred twenty-two thousand, one hundred one".
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