Base | Representation |
---|---|
bin | 1000000111100… |
… | …10010001010001 |
3 | 11202010220021201 |
4 | 10003302101101 |
5 | 114413214301 |
6 | 10431351201 |
7 | 1454564530 |
oct | 403622121 |
9 | 152126251 |
10 | 68101201 |
11 | 35494493 |
12 | 1a982501 |
13 | 1115548c |
14 | 908a317 |
15 | 5ea3201 |
hex | 40f2451 |
68101201 has 16 divisors (see below), whose sum is σ = 84640896. Its totient is φ = 53450496.
The previous prime is 68101181. The next prime is 68101211. The reversal of 68101201 is 10210186.
It is not a de Polignac number, because 68101201 - 29 = 68100689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68101211) 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, 3331 + ... + 12136.
It is an arithmetic number, because the mean of its divisors is an integer number (5290056).
Almost surely, 268101201 is an apocalyptic number.
It is an amenable number.
68101201 is a deficient number, since it is larger than the sum of its proper divisors (16539695).
68101201 is a wasteful number, since it uses less digits than its factorization.
68101201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15528.
The product of its (nonzero) digits is 96, while the sum is 19.
The square root of 68101201 is about 8252.3451818256. The cubic root of 68101201 is about 408.3678939326.
Adding to 68101201 its reverse (10210186), we get a palindrome (78311387).
The spelling of 68101201 in words is "sixty-eight million, one hundred one thousand, two hundred one".
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