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11123344669 = 37300630937
BaseRepresentation
bin10100101110000000…
…01100010100011101
31001201012112110022111
422113000030110131
5140240034012134
65035431514021
7542434604203
oct122700142435
931635473274
1011123344669
114798924538
1221a5228911
131083652a68
1477741b073
15451805c64
hex29700c51d

11123344669 has 4 divisors (see below), whose sum is σ = 11423975644. Its totient is φ = 10822713696.

The previous prime is 11123344633. The next prime is 11123344679. The reversal of 11123344669 is 96644332111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96644332111 = 127760978993.

It can be written as a sum of positive squares in 2 ways, for example, as 4544512569 + 6578832100 = 67413^2 + 81110^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123344669 - 27 = 11123344541 is a prime.

It is a super-2 number, since 2×111233446692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123344679) 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, 150315432 + ... + 150315505.

It is an arithmetic number, because the mean of its divisors is an integer number (2855993911).

Almost surely, 211123344669 is an apocalyptic number.

It is an amenable number.

11123344669 is a deficient number, since it is larger than the sum of its proper divisors (300630975).

11123344669 is an equidigital number, since it uses as much as digits as its factorization.

11123344669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300630974.

The product of its digits is 93312, while the sum is 40.

The spelling of 11123344669 in words is "eleven billion, one hundred twenty-three million, three hundred forty-four thousand, six hundred sixty-nine".

Divisors: 1 37 300630937 11123344669