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2013422805 = 33514914243
BaseRepresentation
bin111100000000010…
…0110010011010101
312012022121110212000
41320000212103111
513110414012210
6531442345513
7100615545222
oct17000462325
95168543760
102013422805
11943585399
1248235b299
13261196b54
14151590949
15bbb64ac0
hex780264d5

2013422805 has 16 divisors (see below), whose sum is σ = 3579418560. Its totient is φ = 1073825424.

The previous prime is 2013422797. The next prime is 2013422809. The reversal of 2013422805 is 5082243102.

It is not a de Polignac number, because 2013422805 - 23 = 2013422797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013422809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7456987 + ... + 7457256.

It is an arithmetic number, because the mean of its divisors is an integer number (223713660).

Almost surely, 22013422805 is an apocalyptic number.

It is an amenable number.

2013422805 is a deficient number, since it is larger than the sum of its proper divisors (1565995755).

2013422805 is a wasteful number, since it uses less digits than its factorization.

2013422805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14914257 (or 14914251 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2013422805 is about 44871.1801159720. The cubic root of 2013422805 is about 1262.7333801149.

Adding to 2013422805 its reverse (5082243102), we get a palindrome (7095665907).

The spelling of 2013422805 in words is "two billion, thirteen million, four hundred twenty-two thousand, eight hundred five".

Divisors: 1 3 5 9 15 27 45 135 14914243 44742729 74571215 134228187 223713645 402684561 671140935 2013422805