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2133104081 is a prime number
BaseRepresentation
bin111111100100100…
…1001010111010001
312111122210220200212
41333021021113101
513332033312311
6551355453505
7103601041223
oct17711112721
95448726625
102133104081
119a5099739
124b6457295
1327cc0b984
14163426413
15c7405c8b
hex7f2495d1

2133104081 has 2 divisors, whose sum is σ = 2133104082. Its totient is φ = 2133104080.

The previous prime is 2133104009. The next prime is 2133104093. The reversal of 2133104081 is 1804013312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1353577681 + 779526400 = 36791^2 + 27920^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133104081 - 210 = 2133103057 is a prime.

It is a super-2 number, since 2×21331040812 = 9100266040757709122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2133104881) 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, 1066552040 + 1066552041.

It is an arithmetic number, because the mean of its divisors is an integer number (1066552041).

Almost surely, 22133104081 is an apocalyptic number.

It is an amenable number.

2133104081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133104081 is an equidigital number, since it uses as much as digits as its factorization.

2133104081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2133104081 is about 46185.5397391868. The cubic root of 2133104081 is about 1287.2730651777.

Adding to 2133104081 its reverse (1804013312), we get a palindrome (3937117393).

The spelling of 2133104081 in words is "two billion, one hundred thirty-three million, one hundred four thousand, eighty-one".