Base | Representation |
---|---|
bin | 100011110010111… |
… | …1000010000100101 |
3 | 10002201002211001101 |
4 | 1013211320100211 |
5 | 4424441041401 |
6 | 315104000101 |
7 | 41523166360 |
oct | 10745702045 |
9 | 3081084041 |
10 | 1201112101 |
11 | 566aa6332 |
12 | 296300031 |
13 | 161ac3727 |
14 | b573d0d7 |
15 | 706aa101 |
hex | 47978425 |
1201112101 has 8 divisors (see below), whose sum is σ = 1453446720. Its totient is φ = 968964288.
The previous prime is 1201112089. The next prime is 1201112131. The reversal of 1201112101 is 1012111021.
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 1201112101 - 25 = 1201112069 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 (1201112131) 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, 5046571 + ... + 5046808.
It is an arithmetic number, because the mean of its divisors is an integer number (181680840).
Almost surely, 21201112101 is an apocalyptic number.
It is an amenable number.
1201112101 is a deficient number, since it is larger than the sum of its proper divisors (252334619).
1201112101 is a wasteful number, since it uses less digits than its factorization.
1201112101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10093403.
The product of its (nonzero) digits is 4, while the sum is 10.
The square root of 1201112101 is about 34657.0642293891. The cubic root of 1201112101 is about 1062.9867410638.
Adding to 1201112101 its reverse (1012111021), we get a palindrome (2213223122).
The spelling of 1201112101 in words is "one billion, two hundred one million, one hundred twelve thousand, one hundred one".
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