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1916936033 is a prime number
BaseRepresentation
bin111001001000010…
…0001111101100001
311221121001102212212
41302100201331201
512411213423113
6514114331505
765334454535
oct16220417541
94847042785
101916936033
118a4073461
12455b89b95
132471b349c
14142835bc5
15b34560a8
hex72421f61

1916936033 has 2 divisors, whose sum is σ = 1916936034. Its totient is φ = 1916936032.

The previous prime is 1916936009. The next prime is 1916936051. The reversal of 1916936033 is 3306396191.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1879395904 + 37540129 = 43352^2 + 6127^2 .

It is a cyclic number.

It is not a de Polignac number, because 1916936033 - 228 = 1648500577 is a prime.

It is a super-2 number, since 2×19169360332 = 7349287509227554178, which contains 22 as substring.

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 (1916936003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958468016 + 958468017.

It is an arithmetic number, because the mean of its divisors is an integer number (958468017).

Almost surely, 21916936033 is an apocalyptic number.

It is an amenable number.

1916936033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916936033 is an equidigital number, since it uses as much as digits as its factorization.

1916936033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 1916936033 is about 43782.8280607820. The cubic root of 1916936033 is about 1242.2315074750.

The spelling of 1916936033 in words is "one billion, nine hundred sixteen million, nine hundred thirty-six thousand, thirty-three".