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2000199979 is a prime number
BaseRepresentation
bin111011100111000…
…1010000100101011
312011101201200112201
41313032022010223
513044022344404
6530251121031
7100365263551
oct16716120453
95141650481
102000199979
11937073938
12479a43177
1325b5173ab
1414d90bbd1
15ba901ca4
hex7738a12b

2000199979 has 2 divisors, whose sum is σ = 2000199980. Its totient is φ = 2000199978.

The previous prime is 2000199967. The next prime is 2000200003. The reversal of 2000199979 is 9799910002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2000199979 - 25 = 2000199947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000199079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000099989 + 1000099990.

It is an arithmetic number, because the mean of its divisors is an integer number (1000099990).

Almost surely, 22000199979 is an apocalyptic number.

2000199979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000199979 is an equidigital number, since it uses as much as digits as its factorization.

2000199979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 46.

The square root of 2000199979 is about 44723.5953272990. The cubic root of 2000199979 is about 1259.9630414539.

The spelling of 2000199979 in words is "two billion, one hundred ninety-nine thousand, nine hundred seventy-nine".