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539030771849 = 2168324859603
BaseRepresentation
bin1111101100000001011…
…11001101100010001001
31220112022222111100200002
413312000233031202021
532312413334144344
61051343300052345
753641453651163
oct7660057154211
91815288440602
10539030771849
11198668900039
12885743940b5
133baa447854b
141c136bb3933
15e04c4b644e
hex7d80bcd889

539030771849 has 4 divisors (see below), whose sum is σ = 539055653136. Its totient is φ = 539005890564.

The previous prime is 539030771819. The next prime is 539030771893. The reversal of 539030771849 is 948177030935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 948177030935 = 5189635406187.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-539030771849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 539030771794 and 539030771803.

It is not an unprimeable number, because it can be changed into a prime (539030771809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12408119 + ... + 12451484.

It is an arithmetic number, because the mean of its divisors is an integer number (134763913284).

Almost surely, 2539030771849 is an apocalyptic number.

It is an amenable number.

539030771849 is a deficient number, since it is larger than the sum of its proper divisors (24881287).

539030771849 is a wasteful number, since it uses less digits than its factorization.

539030771849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24881286.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 539030771849 in words is "five hundred thirty-nine billion, thirty million, seven hundred seventy-one thousand, eight hundred forty-nine".

Divisors: 1 21683 24859603 539030771849