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2012131349 is a prime number
BaseRepresentation
bin111011111101110…
…1011000000010101
312012020011212022022
41313323223000111
513110101200344
6531354542525
7100601556104
oct16773530025
95166155268
102012131349
11942883078
12481a37a45
13260b34087
1415133603b
15bb9ac0ee
hex77eeb015

2012131349 has 2 divisors, whose sum is σ = 2012131350. Its totient is φ = 2012131348.

The previous prime is 2012131301. The next prime is 2012131357. The reversal of 2012131349 is 9431312102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2008653124 + 3478225 = 44818^2 + 1865^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012131349 - 212 = 2012127253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012131399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006065674 + 1006065675.

It is an arithmetic number, because the mean of its divisors is an integer number (1006065675).

Almost surely, 22012131349 is an apocalyptic number.

It is an amenable number.

2012131349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012131349 is an equidigital number, since it uses as much as digits as its factorization.

2012131349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2012131349 is about 44856.7871007276. The cubic root of 2012131349 is about 1262.4633402288.

The spelling of 2012131349 in words is "two billion, twelve million, one hundred thirty-one thousand, three hundred forty-nine".