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11120819 = 91912101
BaseRepresentation
bin101010011011…
…000010110011
3202220222220012
4222123002303
510321331234
61034205135
7163345133
oct52330263
922828805
1011120819
116306266
1238837ab
1323c4a88
141696ac3
15e9a0ce
hexa9b0b3

11120819 has 4 divisors (see below), whose sum is σ = 11133840. Its totient is φ = 11107800.

The previous prime is 11120803. The next prime is 11120843. The reversal of 11120819 is 91802111.

11120819 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 an emirpimes, since its reverse is a distinct semiprime: 91802111 = 151607961.

It is a cyclic number.

It is not a de Polignac number, because 11120819 - 24 = 11120803 is a prime.

It is a super-2 number, since 2×111208192 = 247345230461522, 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 = 11120794 and 11120803.

It is not an unprimeable number, because it can be changed into a prime (11120869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5132 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (2783460).

Almost surely, 211120819 is an apocalyptic number.

11120819 is a deficient number, since it is larger than the sum of its proper divisors (13021).

11120819 is an equidigital number, since it uses as much as digits as its factorization.

11120819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13020.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 11120819 is about 3334.7891987351. The cubic root of 11120819 is about 223.2092855834.

The spelling of 11120819 in words is "eleven million, one hundred twenty thousand, eight hundred nineteen".

Divisors: 1 919 12101 11120819