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11445364869 = 317224418919
BaseRepresentation
bin10101010100011001…
…00110100010000101
31002112122110202222120
422222030212202011
5141420003133434
65131413520153
7553424665461
oct125214464205
932478422876
1011445364869
114943679034
122275043059
131105290663
147a80c34a1
1546ec14349
hex2aa326885

11445364869 has 8 divisors (see below), whose sum is σ = 16158162240. Its totient is φ = 7181405376.

The previous prime is 11445364849. The next prime is 11445364871. The reversal of 11445364869 is 96846354411.

It is a happy number.

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

It is not a de Polignac number, because 11445364869 - 27 = 11445364741 is a prime.

It is a super-2 number, since 2×114453648692 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 224418919 = 11445364869 / (1 + 1 + 4 + 4 + 5 + 3 + 6 + 4 + 8 + 6 + 9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445364829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112209409 + ... + 112209510.

It is an arithmetic number, because the mean of its divisors is an integer number (2019770280).

Almost surely, 211445364869 is an apocalyptic number.

It is an amenable number.

11445364869 is a deficient number, since it is larger than the sum of its proper divisors (4712797371).

11445364869 is a wasteful number, since it uses less digits than its factorization.

11445364869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224418939.

The product of its digits is 2488320, while the sum is 51.

The spelling of 11445364869 in words is "eleven billion, four hundred forty-five million, three hundred sixty-four thousand, eight hundred sixty-nine".

Divisors: 1 3 17 51 224418919 673256757 3815121623 11445364869