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11305352143 = 531093375807
BaseRepresentation
bin10101000011101100…
…11111101111001111
31002011220000101122001
422201312133233033
5141123132232033
65105452533131
7550104623221
oct124166375717
932156011561
1011305352143
114881638438
1222361811a7
1310b227a5a7
14793678411
154627a8e7d
hex2a1d9fbcf

11305352143 has 16 divisors (see below), whose sum is σ = 11660837760. Its totient is φ = 10955782656.

The previous prime is 11305352137. The next prime is 11305352147. The reversal of 11305352143 is 34125350311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11305352143 - 25 = 11305352111 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 (11305352147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943946 + ... + 1949752.

It is an arithmetic number, because the mean of its divisors is an integer number (728802360).

Almost surely, 211305352143 is an apocalyptic number.

11305352143 is a deficient number, since it is larger than the sum of its proper divisors (355485617).

11305352143 is a wasteful number, since it uses less digits than its factorization.

11305352143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 11305352143 in words is "eleven billion, three hundred five million, three hundred fifty-two thousand, one hundred forty-three".

Divisors: 1 53 109 337 5777 5807 17861 36733 307771 632963 1946849 1956959 33547039 103718827 213308531 11305352143