Search a number
-
+
313243012005 = 35711271206071
BaseRepresentation
bin1001000111011101011…
…11010000101110100101
31002221112102222202000020
410203232233100232211
520113010202341010
6355522444505353
731426311445650
oct4435657205645
91087472882006
10313243012005
11110933572220
125086054b259
13237006673a1
1411237c88897
158235114470
hex48eebd0ba5

313243012005 has 32 divisors (see below), whose sum is σ = 624858789888. Its totient is φ = 130178913600.

The previous prime is 313243011979. The next prime is 313243012007. The reversal of 313243012005 is 500210342313.

It is not a de Polignac number, because 313243012005 - 28 = 313243011749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313243012007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135601881 + ... + 135604190.

It is an arithmetic number, because the mean of its divisors is an integer number (19526837184).

Almost surely, 2313243012005 is an apocalyptic number.

313243012005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313243012005 is a deficient number, since it is larger than the sum of its proper divisors (311615777883).

313243012005 is a wasteful number, since it uses less digits than its factorization.

313243012005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271206097.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 313243012005 its reverse (500210342313), we get a palindrome (813453354318).

The spelling of 313243012005 in words is "three hundred thirteen billion, two hundred forty-three million, twelve thousand, five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 1155 271206071 813618213 1356030355 1898442497 2983266781 4068091065 5695327491 8949800343 9492212485 14916333905 20882867467 28476637455 44749001715 62648602401 104414337335 313243012005