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2011210979 is a prime number
BaseRepresentation
bin111011111100000…
…1010010011100011
312012011110002210112
41313320022103203
513104332222404
6531323121535
7100561003601
oct16770122343
95164402715
102011210979
11942304638
124816732ab
132608a118b
14151176871
15bb87956e
hex77e0a4e3

2011210979 has 2 divisors, whose sum is σ = 2011210980. Its totient is φ = 2011210978.

The previous prime is 2011210913. The next prime is 2011210997. The reversal of 2011210979 is 9790121102.

Together with next prime (2011210997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011210979 - 228 = 1742775523 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011210379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005605489 + 1005605490.

It is an arithmetic number, because the mean of its divisors is an integer number (1005605490).

Almost surely, 22011210979 is an apocalyptic number.

2011210979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011210979 is an equidigital number, since it uses as much as digits as its factorization.

2011210979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 2011210979 is about 44846.5269446810. The cubic root of 2011210979 is about 1262.2708228782.

The spelling of 2011210979 in words is "two billion, eleven million, two hundred ten thousand, nine hundred seventy-nine".