Search a number
-
+
315032230513 = 711213208713709
BaseRepresentation
bin1001001010110010110…
…00100101101001110001
31010010011010201110101101
410211121120211221301
520130141222334023
6400420202004401
731521535530310
oct4453130455161
91103133643341
10315032230513
11111671532600
125107b7a6701
1323927250c70
1411367756277
1582dc23d1ad
hex4959625a71

315032230513 has 48 divisors (see below), whose sum is σ = 426420046080. Its totient is φ = 226471512960.

The previous prime is 315032230507. The next prime is 315032230517.

315032230513 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 315032230513 - 25 = 315032230481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315032230517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22973103 + ... + 22986811.

It is an arithmetic number, because the mean of its divisors is an integer number (8883750960).

Almost surely, 2315032230513 is an apocalyptic number.

It is an amenable number.

315032230513 is a deficient number, since it is larger than the sum of its proper divisors (111387815567).

315032230513 is a wasteful number, since it uses less digits than its factorization.

315032230513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838 (or 15827 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

It can be divided in two parts, 315032 and 230513, that added together give a palindrome (545545).

The spelling of 315032230513 in words is "three hundred fifteen billion, thirty-two million, two hundred thirty thousand, five hundred thirteen".

Divisors: 1 7 11 13 77 91 121 143 847 1001 1573 2087 11011 13709 14609 22957 27131 95963 150799 160699 178217 189917 252527 298441 1055593 1247519 1658789 1767689 1960387 2089087 3282851 11611523 13722709 21564257 22979957 28610683 150949799 200274781 314717513 371938879 2203022591 2603572153 3461892643 4091327669 24233248501 28639293683 45004604359 315032230513