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1915916341 is a prime number
BaseRepresentation
bin111001000110010…
…1001000000110101
311221112010122010111
41302030221000311
512410433310331
6514040423021
765323006633
oct16214510065
94845118114
101915916341
118a3537339
12455777a71
13246c17311
1414264c353
15b3303db1
hex72329035

1915916341 has 2 divisors, whose sum is σ = 1915916342. Its totient is φ = 1915916340.

The previous prime is 1915916329. The next prime is 1915916393. The reversal of 1915916341 is 1436195191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1390544100 + 525372241 = 37290^2 + 22921^2 .

It is a cyclic number.

It is not a de Polignac number, because 1915916341 - 29 = 1915915829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1915916294 and 1915916303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1915916311) 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, 957958170 + 957958171.

It is an arithmetic number, because the mean of its divisors is an integer number (957958171).

Almost surely, 21915916341 is an apocalyptic number.

It is an amenable number.

1915916341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1915916341 is an equidigital number, since it uses as much as digits as its factorization.

1915916341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 40.

The square root of 1915916341 is about 43771.1816267279. The cubic root of 1915916341 is about 1242.0112048365.

The spelling of 1915916341 in words is "one billion, nine hundred fifteen million, nine hundred sixteen thousand, three hundred forty-one".