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999953111 is a prime number
BaseRepresentation
bin111011100110100…
…001001011010111
32120200120212210102
4323212201023113
54021441444421
6243120244315
733531314123
oct7346411327
92520525712
10999953111
114734a1633
1223aa7069b
1312c221a41
1496b38583
155cbc260b
hex3b9a12d7

999953111 has 2 divisors, whose sum is σ = 999953112. Its totient is φ = 999953110.

The previous prime is 999953093. The next prime is 999953113. The reversal of 999953111 is 111359999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999953111 - 214 = 999936727 is a prime.

Together with 999953113, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999953113) 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, 499976555 + 499976556.

It is an arithmetic number, because the mean of its divisors is an integer number (499976556).

Almost surely, 2999953111 is an apocalyptic number.

999953111 is a deficient number, since it is larger than the sum of its proper divisors (1).

999953111 is an equidigital number, since it uses as much as digits as its factorization.

999953111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98415, while the sum is 47.

The square root of 999953111 is about 31622.0352128069. The cubic root of 999953111 is about 999.9843700890.

The spelling of 999953111 in words is "nine hundred ninety-nine million, nine hundred fifty-three thousand, one hundred eleven".