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16130993 is a prime number
BaseRepresentation
bin111101100010…
…001110110001
31010100112120012
4331202032301
513112142433
61333424305
7254053064
oct75421661
933315505
1016130993
1191184aa
12549b095
13345a388
1421dc8db
151639848
hexf623b1

16130993 has 2 divisors, whose sum is σ = 16130994. Its totient is φ = 16130992.

The previous prime is 16130971. The next prime is 16131043. The reversal of 16130993 is 39903161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14077504 + 2053489 = 3752^2 + 1433^2 .

It is an emirp because it is prime and its reverse (39903161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16130993 - 216 = 16065457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16130903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8065496 + 8065497.

It is an arithmetic number, because the mean of its divisors is an integer number (8065497).

Almost surely, 216130993 is an apocalyptic number.

It is an amenable number.

16130993 is a deficient number, since it is larger than the sum of its proper divisors (1).

16130993 is an equidigital number, since it uses as much as digits as its factorization.

16130993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 16130993 is about 4016.3407474964. The cubic root of 16130993 is about 252.6700119609.

The spelling of 16130993 in words is "sixteen million, one hundred thirty thousand, nine hundred ninety-three".