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1995000313 is a prime number
BaseRepresentation
bin111011011101001…
…0100100111111001
312011000221111221111
41312322110213321
513041210002223
6525543440321
7100303136305
oct16672244771
95130844844
101995000313
11934142299
124781560a1
1325a416777
1414cd56d05
15ba22630d
hex76e949f9

1995000313 has 2 divisors, whose sum is σ = 1995000314. Its totient is φ = 1995000312.

The previous prime is 1995000253. The next prime is 1995000331. The reversal of 1995000313 is 3130005991.

Together with next prime (1995000331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1077940224 + 917060089 = 32832^2 + 30283^2 .

It is a cyclic number.

It is not a de Polignac number, because 1995000313 - 217 = 1994869241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1995000113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997500156 + 997500157.

It is an arithmetic number, because the mean of its divisors is an integer number (997500157).

Almost surely, 21995000313 is an apocalyptic number.

It is an amenable number.

1995000313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995000313 is an equidigital number, since it uses as much as digits as its factorization.

1995000313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 1995000313 is about 44665.4263720834. The cubic root of 1995000313 is about 1258.8703053599.

The spelling of 1995000313 in words is "one billion, nine hundred ninety-five million, three hundred thirteen", and thus it is an aban number.