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11018019 = 34385411
BaseRepresentation
bin101010000001…
…111100100011
3202201202212210
4222001330203
510310034034
61032053203
7162436335
oct52017443
922652783
1011018019
116246001
123834203
13238a04c
14166b455
15e798e9
hexa81f23

11018019 has 8 divisors (see below), whose sum is σ = 15032512. Its totient is φ = 7174440.

The previous prime is 11017973. The next prime is 11018027. The reversal of 11018019 is 91081011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11018019 - 212 = 11013923 is a prime.

It is a super-2 number, since 2×110180192 = 242793485368722, 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 = 11017986 and 11018004.

It is not an unprimeable number, because it can be changed into a prime (11018089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42577 + ... + 42834.

It is an arithmetic number, because the mean of its divisors is an integer number (1879064).

Almost surely, 211018019 is an apocalyptic number.

11018019 is a deficient number, since it is larger than the sum of its proper divisors (4014493).

11018019 is an equidigital number, since it uses as much as digits as its factorization.

11018019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85457.

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 11018019 is about 3319.3401452698. The cubic root of 11018019 is about 222.5193788617.

The spelling of 11018019 in words is "eleven million, eighteen thousand, nineteen".

Divisors: 1 3 43 129 85411 256233 3672673 11018019