Search a number
-
+
513205530434513 = 779639206966693
BaseRepresentation
bin111010010110000011111100…
…1010101101001101111010001
32111022002222011210212001010022
41310230013321111221233101
51014231324411242401023
65015255211012513225
7213045606315543140
oct16454077125515721
92438088153761108
10513205530434513
11139583274764aa4
124968680591b815
13190490c6379917
1490a33ccc5d757
153e4e9c0cdb7c8
hex1d2c1f9569bd1

513205530434513 has 8 divisors (see below), whose sum is σ = 586594262008128. Its totient is φ = 439835212810224.

The previous prime is 513205530434503. The next prime is 513205530434561. The reversal of 513205530434513 is 315434035502315.

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

It is not a de Polignac number, because 513205530434513 - 244 = 495613344390097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513205530434503) 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, 4603427606 + ... + 4603539087.

It is an arithmetic number, because the mean of its divisors is an integer number (73324282751016).

Almost surely, 2513205530434513 is an apocalyptic number.

It is an amenable number.

513205530434513 is a deficient number, since it is larger than the sum of its proper divisors (73388731573615).

513205530434513 is an equidigital number, since it uses as much as digits as its factorization.

513205530434513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9206974663.

The product of its (nonzero) digits is 1620000, while the sum is 44.

Adding to 513205530434513 its reverse (315434035502315), we get a palindrome (828639565936828).

The spelling of 513205530434513 in words is "five hundred thirteen trillion, two hundred five billion, five hundred thirty million, four hundred thirty-four thousand, five hundred thirteen".

Divisors: 1 7 7963 55741 9206966693 64448766851 73315075776359 513205530434513