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524513042513 = 1451393613867
BaseRepresentation
bin1111010000111110110…
…10011110000001010001
31212010212012211021221222
413220133122132001101
532043200314330023
61040542530454425
752615631204525
oct7503732360121
91763765737858
10524513042513
11192498a36119
12857a2434415
133a5cc817865
141b55aa4bd85
15d99cbb6cc8
hex7a1f69e051

524513042513 has 4 divisors (see below), whose sum is σ = 524516801520. Its totient is φ = 524509283508.

The previous prime is 524513042507. The next prime is 524513042617. The reversal of 524513042513 is 315240315425.

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.

It is a cyclic number.

It is not a de Polignac number, because 524513042513 - 230 = 523439300689 is a prime.

It is a super-2 number, since 2×5245130425132 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (524513042113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661795 + ... + 1952072.

It is an arithmetic number, because the mean of its divisors is an integer number (131129200380).

Almost surely, 2524513042513 is an apocalyptic number.

It is an amenable number.

524513042513 is a deficient number, since it is larger than the sum of its proper divisors (3759007).

524513042513 is a wasteful number, since it uses less digits than its factorization.

524513042513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759006.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 524513042513 its reverse (315240315425), we get a palindrome (839753357938).

The spelling of 524513042513 in words is "five hundred twenty-four billion, five hundred thirteen million, forty-two thousand, five hundred thirteen".

Divisors: 1 145139 3613867 524513042513