Base | Representation |
---|---|
bin | 1110010010000… |
… | …11001011001011 |
3 | 22100110010021112 |
4 | 13021003023023 |
5 | 221133002221 |
6 | 15520000535 |
7 | 2653251326 |
oct | 711031313 |
9 | 270403245 |
10 | 119812811 |
11 | 616a4158 |
12 | 3416014b |
13 | 1ba8c971 |
14 | 11cab7bd |
15 | a7ba15b |
hex | 72432cb |
119812811 has 4 divisors (see below), whose sum is σ = 120097824. Its totient is φ = 119527800.
The previous prime is 119812801. The next prime is 119812813. The reversal of 119812811 is 118218911.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118218911 = 43 ⋅2749277.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-119812811 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (119812813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141875 + ... + 142716.
It is an arithmetic number, because the mean of its divisors is an integer number (30024456).
Almost surely, 2119812811 is an apocalyptic number.
119812811 is a deficient number, since it is larger than the sum of its proper divisors (285013).
119812811 is an equidigital number, since it uses as much as digits as its factorization.
119812811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 285012.
The product of its digits is 1152, while the sum is 32.
The square root of 119812811 is about 10945.9038457315. The cubic root of 119812811 is about 492.9858104089.
The spelling of 119812811 in words is "one hundred nineteen million, eight hundred twelve thousand, eight hundred eleven".
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