Base | Representation |
---|---|
bin | 10100111111100001… |
… | …01000010101110001 |
3 | 1002002102222112101001 |
4 | 22133300220111301 |
5 | 141040141310311 |
6 | 5102200442001 |
7 | 546200426053 |
oct | 123760502561 |
9 | 32072875331 |
10 | 11270260081 |
11 | 486384a233 |
12 | 2226479301 |
13 | 10a7c11962 |
14 | 78cb418d3 |
15 | 45e6764c1 |
hex | 29fc28571 |
11270260081 has 4 divisors (see below), whose sum is σ = 11288121664. Its totient is φ = 11252398500.
The previous prime is 11270260073. The next prime is 11270260093. The reversal of 11270260081 is 18006207211.
11270260081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18006207211 = 12907 ⋅1395073.
It is a cyclic number.
It is not a de Polignac number, because 11270260081 - 23 = 11270260073 is a prime.
It is a super-2 number, since 2×112702600812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11270240081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8929845 + ... + 8931106.
It is an arithmetic number, because the mean of its divisors is an integer number (2822030416).
Almost surely, 211270260081 is an apocalyptic number.
It is an amenable number.
11270260081 is a deficient number, since it is larger than the sum of its proper divisors (17861583).
11270260081 is an equidigital number, since it uses as much as digits as its factorization.
11270260081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17861582.
The product of its (nonzero) digits is 1344, while the sum is 28.
Adding to 11270260081 its reverse (18006207211), we get a palindrome (29276467292).
The spelling of 11270260081 in words is "eleven billion, two hundred seventy million, two hundred sixty thousand, eighty-one".
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