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28305050463 = 323145005607
BaseRepresentation
bin11010010111000111…
…001100101101011111
32201001121221112201100
4122113013030231133
5430432043103323
621000403244143
72021265650004
oct322707145537
981047845640
1028305050463
1111005510398
12559b379653
132891196591
1415272b98ab
15b09e21943
hex6971ccb5f

28305050463 has 6 divisors (see below), whose sum is σ = 40885072904. Its totient is φ = 18870033636.

The previous prime is 28305050461. The next prime is 28305050471. The reversal of 28305050463 is 36405050382.

It is a happy number.

It is not a de Polignac number, because 28305050463 - 21 = 28305050461 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 (28305050461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1572502795 + ... + 1572502812.

Almost surely, 228305050463 is an apocalyptic number.

28305050463 is a deficient number, since it is larger than the sum of its proper divisors (12580022441).

28305050463 is a wasteful number, since it uses less digits than its factorization.

28305050463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145005613 (or 3145005610 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 28305050463 in words is "twenty-eight billion, three hundred five million, fifty thousand, four hundred sixty-three".

Divisors: 1 3 9 3145005607 9435016821 28305050463