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11243342353 = 31362688463
BaseRepresentation
bin10100111100010011…
…11100101000010001
31002000120022222012011
422132021330220101
5141011243423403
65055355502521
7545422555525
oct123611745021
932016288164
1011243342353
11484a634581
122219457a41
1310a24788c9
14789335d85
1545c10aa6d
hex29e27ca11

11243342353 has 4 divisors (see below), whose sum is σ = 11606030848. Its totient is φ = 10880653860.

The previous prime is 11243342347. The next prime is 11243342381. The reversal of 11243342353 is 35324334211.

It is a happy number.

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: 35324334211 = 59598717529.

It is a cyclic number.

It is not a de Polignac number, because 11243342353 - 213 = 11243334161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 362688463 = 11243342353 / (1 + 1 + 2 + 4 + 3 + 3 + 4 + 2 + 3 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243342323) 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, 181344201 + ... + 181344262.

It is an arithmetic number, because the mean of its divisors is an integer number (2901507712).

Almost surely, 211243342353 is an apocalyptic number.

It is an amenable number.

11243342353 is a deficient number, since it is larger than the sum of its proper divisors (362688495).

11243342353 is an equidigital number, since it uses as much as digits as its factorization.

11243342353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362688494.

The product of its digits is 25920, while the sum is 31.

Adding to 11243342353 its reverse (35324334211), we get a palindrome (46567676564).

The spelling of 11243342353 in words is "eleven billion, two hundred forty-three million, three hundred forty-two thousand, three hundred fifty-three".

Divisors: 1 31 362688463 11243342353