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11045242687 = 432207116387
BaseRepresentation
bin10100100100101100…
…10000011100111111
31001111202120110112111
422102112100130333
5140110040231222
65024001514451
7540466004503
oct122226203477
931452513474
1011045242687
11475882a346
122183042a27
13107040857b
1476acca303
15449a29777
hex29259073f

11045242687 has 8 divisors (see below), whose sum is σ = 11307326976. Its totient is φ = 10783395672.

The previous prime is 11045242667. The next prime is 11045242757. The reversal of 11045242687 is 78624254011.

11045242687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11045242687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045242667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36708 + ... + 153094.

It is an arithmetic number, because the mean of its divisors is an integer number (1413415872).

Almost surely, 211045242687 is an apocalyptic number.

11045242687 is a deficient number, since it is larger than the sum of its proper divisors (262084289).

11045242687 is a wasteful number, since it uses less digits than its factorization.

11045242687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118637.

The product of its (nonzero) digits is 107520, while the sum is 40.

Adding to 11045242687 its reverse (78624254011), we get a palindrome (89669496698).

The spelling of 11045242687 in words is "eleven billion, forty-five million, two hundred forty-two thousand, six hundred eighty-seven".

Divisors: 1 43 2207 94901 116387 5004641 256866109 11045242687