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315631136513 = 71112313329899
BaseRepresentation
bin1001001011111010001…
…01001110111100000001
31010011200212200000222002
410211331011032330001
520132403032332023
6400555434353345
731542430252040
oct4457505167401
91104625600862
10315631136513
11111949603540
125120828b855
13239c1355904
14113c30d6557
158324ae1b28
hex497d14ef01

315631136513 has 16 divisors (see below), whose sum is σ = 393833932800. Its totient is φ = 245746472400.

The previous prime is 315631136459. The next prime is 315631136519.

315631136513 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 315631136513 - 210 = 315631135489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315631136519) 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 15 ways as a sum of consecutive naturals, for example, 1570163 + ... + 1759736.

It is an arithmetic number, because the mean of its divisors is an integer number (24614620800).

Almost surely, 2315631136513 is an apocalyptic number.

It is an amenable number.

315631136513 is a deficient number, since it is larger than the sum of its proper divisors (78202796287).

315631136513 is a wasteful number, since it uses less digits than its factorization.

315631136513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331148.

The product of its digits is 72900, while the sum is 38.

The spelling of 315631136513 in words is "three hundred fifteen billion, six hundred thirty-one million, one hundred thirty-six thousand, five hundred thirteen".

Divisors: 1 7 11 77 1231 8617 13541 94787 3329899 23309293 36628889 256402223 4099105669 28693739683 45090162359 315631136513