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2012955611 is a prime number
BaseRepresentation
bin111011111111011…
…0100001111011011
312012021201201222112
41313332310033123
513110304034421
6531424342535
7100611561152
oct16776641733
95167651875
102012955611
11943296387
12482174a4b
132610622c4
141514ac599
15bbac145b
hex77fb43db

2012955611 has 2 divisors, whose sum is σ = 2012955612. Its totient is φ = 2012955610.

The previous prime is 2012955587. The next prime is 2012955667. The reversal of 2012955611 is 1165592102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012955611 - 26 = 2012955547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2012955011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006477805 + 1006477806.

It is an arithmetic number, because the mean of its divisors is an integer number (1006477806).

Almost surely, 22012955611 is an apocalyptic number.

2012955611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012955611 is an equidigital number, since it uses as much as digits as its factorization.

2012955611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 2012955611 is about 44865.9738666175. The cubic root of 2012955611 is about 1262.6357044730.

The spelling of 2012955611 in words is "two billion, twelve million, nine hundred fifty-five thousand, six hundred eleven".