Search a number
-
+
2013240005 = 57431337701
BaseRepresentation
bin111011111111111…
…1001101011000101
312012022021012002122
41313333321223011
513110342140010
6531434415325
7100614154250
oct16777715305
95168235078
102013240005
11943470017
12482291545
1326113189a
14151544097
15bbb2a855
hex77ff9ac5

2013240005 has 16 divisors (see below), whose sum is σ = 2825226624. Its totient is φ = 1348401600.

The previous prime is 2013239953. The next prime is 2013240007. The reversal of 2013240005 is 5000423102.

It is not a de Polignac number, because 2013240005 - 212 = 2013235909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013240007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667346 + ... + 670355.

It is an arithmetic number, because the mean of its divisors is an integer number (176576664).

Almost surely, 22013240005 is an apocalyptic number.

It is an amenable number.

2013240005 is a deficient number, since it is larger than the sum of its proper divisors (811986619).

2013240005 is a wasteful number, since it uses less digits than its factorization.

2013240005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337756.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2013240005 is about 44869.1431275437. The cubic root of 2013240005 is about 1262.6951641563.

Adding to 2013240005 its reverse (5000423102), we get a palindrome (7013663107).

The spelling of 2013240005 in words is "two billion, thirteen million, two hundred forty thousand, five".

Divisors: 1 5 7 35 43 215 301 1505 1337701 6688505 9363907 46819535 57521143 287605715 402648001 2013240005