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2011200979 is a prime number
BaseRepresentation
bin111011111100000…
…0111110111010011
312012011102121002011
41313320013313103
513104331412404
6531323003351
7100560632464
oct16770076723
95164377064
102011200979
119422a8077
12481669557
13260899768
14151172d6b
15bb876604
hex77e07dd3

2011200979 has 2 divisors, whose sum is σ = 2011200980. Its totient is φ = 2011200978.

The previous prime is 2011200967. The next prime is 2011201033. The reversal of 2011200979 is 9790021102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2011200979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011200979.

It is not a weakly prime, because it can be changed into another prime (2011209979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005600489 + 1005600490.

It is an arithmetic number, because the mean of its divisors is an integer number (1005600490).

Almost surely, 22011200979 is an apocalyptic number.

2011200979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011200979 is an equidigital number, since it uses as much as digits as its factorization.

2011200979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 2011200979 is about 44846.4154531887. The cubic root of 2011200979 is about 1262.2687308170.

The spelling of 2011200979 in words is "two billion, eleven million, two hundred thousand, nine hundred seventy-nine".