Base | Representation |
---|---|
bin | 101010011100… |
… | …010010011111 |
3 | 202221020220002 |
4 | 222130102133 |
5 | 10322012134 |
6 | 1034244515 |
7 | 163366040 |
oct | 52342237 |
9 | 22836802 |
10 | 11125919 |
11 | 630a082 |
12 | 388673b |
13 | 23c71ac |
14 | 16988c7 |
15 | e9b87e |
hex | a9c49f |
11125919 has 8 divisors (see below), whose sum is σ = 12955680. Its totient is φ = 9356256.
The previous prime is 11125909. The next prime is 11125921. The reversal of 11125919 is 91952111.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11125919 - 28 = 11125663 is a prime.
It is a super-2 number, since 2×111259192 = 247572147189122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 11125891 and 11125900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11125909) 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 7 ways as a sum of consecutive naturals, for example, 14624 + ... + 15365.
It is an arithmetic number, because the mean of its divisors is an integer number (1619460).
Almost surely, 211125919 is an apocalyptic number.
11125919 is a deficient number, since it is larger than the sum of its proper divisors (1829761).
11125919 is an equidigital number, since it uses as much as digits as its factorization.
11125919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30049.
The product of its digits is 810, while the sum is 29.
The square root of 11125919 is about 3335.5537771111. The cubic root of 11125919 is about 223.2434015774.
The spelling of 11125919 in words is "eleven million, one hundred twenty-five thousand, nine hundred nineteen".
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