Base | Representation |
---|---|
bin | 1111101000001… |
… | …11000110110001 |
3 | 100010200121220111 |
4 | 13310013012301 |
5 | 232030213410 |
6 | 21001541321 |
7 | 3151224652 |
oct | 764070661 |
9 | 303617814 |
10 | 131101105 |
11 | 68004223 |
12 | 37aa4841 |
13 | 21212a25 |
14 | 135a9529 |
15 | b799b8a |
hex | 7d071b1 |
131101105 has 8 divisors (see below), whose sum is σ = 157579200. Its totient is φ = 104708976.
The previous prime is 131101079. The next prime is 131101133. The reversal of 131101105 is 501101131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131101105 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18085 + ... + 24274.
It is an arithmetic number, because the mean of its divisors is an integer number (19697400).
Almost surely, 2131101105 is an apocalyptic number.
It is an amenable number.
131101105 is a deficient number, since it is larger than the sum of its proper divisors (26478095).
131101105 is an equidigital number, since it uses as much as digits as its factorization.
131101105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42983.
The product of its (nonzero) digits is 15, while the sum is 13.
The square root of 131101105 is about 11449.9390828074. The cubic root of 131101105 is about 508.0059325676.
Adding to 131101105 its reverse (501101131), we get a palindrome (632202236).
The spelling of 131101105 in words is "one hundred thirty-one million, one hundred one thousand, one hundred five".
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