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315235505532513 = 3105078501844171
BaseRepresentation
bin100011110101101000111110…
…0010100111110111001100001
31112100011012221101111120202210
41013223101330110332321201
5312304304303404020023
63034241105250432333
7123254004460655556
oct10753217424767141
91470135841446683
10315235505532513
11914976997782a5
122b432904b926a9
13106b87718087a7
1457bb6a0ad0a2d
152669eeb585593
hex11eb47c53ee61

315235505532513 has 4 divisors (see below), whose sum is σ = 420314007376688. Its totient is φ = 210157003688340.

The previous prime is 315235505532499. The next prime is 315235505532553.

315235505532513 is nontrivially palindromic in base 10.

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 not a de Polignac number, because 315235505532513 - 213 = 315235505524321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315235505532553) 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, 52539250922083 + ... + 52539250922088.

It is an arithmetic number, because the mean of its divisors is an integer number (105078501844172).

Almost surely, 2315235505532513 is an apocalyptic number.

It is an amenable number.

315235505532513 is a deficient number, since it is larger than the sum of its proper divisors (105078501844175).

315235505532513 is a wasteful number, since it uses less digits than its factorization.

315235505532513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105078501844174.

The product of its (nonzero) digits is 5062500, while the sum is 48.

The spelling of 315235505532513 in words is "three hundred fifteen trillion, two hundred thirty-five billion, five hundred five million, five hundred thirty-two thousand, five hundred thirteen".

Divisors: 1 3 105078501844171 315235505532513