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11338214609 = 87611294169
BaseRepresentation
bin10101000111100111…
…10110110011010001
31002021011211222110102
422203303312303101
5141210040331414
65113025142145
7550654143161
oct124363666321
932234758412
1011338214609
1148991434a7
12224518a955
1310b9015437
14797b905a1
154655eaede
hex2a3cf6cd1

11338214609 has 4 divisors (see below), whose sum is σ = 11339517540. Its totient is φ = 11336911680.

The previous prime is 11338214597. The next prime is 11338214659. The reversal of 11338214609 is 90641283311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90641283311 = 236053383987.

It can be written as a sum of positive squares in 2 ways, for example, as 3177802384 + 8160412225 = 56372^2 + 90335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11338214609 is a prime.

It is a super-2 number, since 2×113382146092 (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 (11338214659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638324 + ... + 655845.

It is an arithmetic number, because the mean of its divisors is an integer number (2834879385).

Almost surely, 211338214609 is an apocalyptic number.

It is an amenable number.

11338214609 is a deficient number, since it is larger than the sum of its proper divisors (1302931).

11338214609 is an equidigital number, since it uses as much as digits as its factorization.

11338214609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302930.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 11338214609 in words is "eleven billion, three hundred thirty-eight million, two hundred fourteen thousand, six hundred nine".

Divisors: 1 8761 1294169 11338214609