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7814383481 is a prime number
BaseRepresentation
bin1110100011100011…
…00000011101111001
3202011121010210220102
413101301200131321
5112000440232411
63331225205145
7364435110062
oct72161403571
922147123812
107814383481
113350019a73
1216210307b5
13976c53968
14541b8b569
1530b082d3b
hex1d1c60779

7814383481 has 2 divisors, whose sum is σ = 7814383482. Its totient is φ = 7814383480.

The previous prime is 7814383459. The next prime is 7814383483. The reversal of 7814383481 is 1843834187.

It is a happy number.

7814383481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6802125625 + 1012257856 = 82475^2 + 31816^2 .

It is a cyclic number.

It is not a de Polignac number, because 7814383481 - 26 = 7814383417 is a prime.

It is a super-2 number, since 2×78143834812 (a number of 21 digits) contains 22 as substring.

Together with 7814383483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7814383483) 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, 3907191740 + 3907191741.

It is an arithmetic number, because the mean of its divisors is an integer number (3907191741).

Almost surely, 27814383481 is an apocalyptic number.

It is an amenable number.

7814383481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7814383481 is an equidigital number, since it uses as much as digits as its factorization.

7814383481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 47.

The square root of 7814383481 is about 88399.0015837283. The cubic root of 7814383481 is about 1984.4107602661.

The spelling of 7814383481 in words is "seven billion, eight hundred fourteen million, three hundred eighty-three thousand, four hundred eighty-one".