Base | Representation |
---|---|
bin | 110100001101011011… |
… | …1111011110010001001 |
3 | 101201101211121011020020 |
4 | 1220122313323302021 |
5 | 3314110211120410 |
6 | 123301321051053 |
7 | 11046303306042 |
oct | 1503267736211 |
9 | 351354534206 |
10 | 112120020105 |
11 | 43605912645 |
12 | 19890926a89 |
13 | a75a7a7382 |
14 | 55d89a18c9 |
15 | 2db32b6a70 |
hex | 1a1adfbc89 |
112120020105 has 8 divisors (see below), whose sum is σ = 179392032192. Its totient is φ = 59797344048.
The previous prime is 112120020101. The next prime is 112120020107. The reversal of 112120020105 is 501020021211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 112120020105 - 22 = 112120020101 is a prime.
It is a super-2 number, since 2×1121200201052 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 7474668007 = 112120020105 / (1 + 1 + 2 + 1 + 2 + 0 + 0 + 2 + 0 + 1 + 0 + 5).
It is not an unprimeable number, because it can be changed into a prime (112120020101) 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, 3737333989 + ... + 3737334018.
It is an arithmetic number, because the mean of its divisors is an integer number (22424004024).
Almost surely, 2112120020105 is an apocalyptic number.
112120020105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
112120020105 is a deficient number, since it is larger than the sum of its proper divisors (67272012087).
112120020105 is an equidigital number, since it uses as much as digits as its factorization.
112120020105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7474668015.
The product of its (nonzero) digits is 40, while the sum is 15.
Adding to 112120020105 its reverse (501020021211), we get a palindrome (613140041316).
The spelling of 112120020105 in words is "one hundred twelve billion, one hundred twenty million, twenty thousand, one hundred five".
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