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2012131043 = 13319751473
BaseRepresentation
bin111011111101110…
…1010111011100011
312012020011211212222
41313323222323203
513110101143133
6531354541255
7100601555156
oct16773527343
95166154788
102012131043
1194288291a
12481a3782b
13260b33bb0
14151335c9d
15bb9abe98
hex77eeaee3

2012131043 has 16 divisors (see below), whose sum is σ = 2259914496. Its totient is φ = 1778872320.

The previous prime is 2012130973. The next prime is 2012131073. The reversal of 2012131043 is 3401312102.

It is a cyclic number.

It is not a de Polignac number, because 2012131043 - 218 = 2011868899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012131073) 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, 13355 + ... + 64827.

It is an arithmetic number, because the mean of its divisors is an integer number (141244656).

Almost surely, 22012131043 is an apocalyptic number.

2012131043 is a deficient number, since it is larger than the sum of its proper divisors (247783453).

2012131043 is a wasteful number, since it uses less digits than its factorization.

2012131043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51614.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2012131043 is about 44856.7836898724. The cubic root of 2012131043 is about 1262.4632762314.

Adding to 2012131043 its reverse (3401312102), we get a palindrome (5413443145).

The spelling of 2012131043 in words is "two billion, twelve million, one hundred thirty-one thousand, forty-three".

Divisors: 1 13 31 97 403 1261 3007 39091 51473 669149 1595663 4992881 20743619 64907453 154779311 2012131043