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7985497411 is a prime number
BaseRepresentation
bin1110110111111100…
…10000010101000011
3202121112010022002101
413123332100111003
5112323241404121
63400220531231
7401613415363
oct73376202503
922545108071
107985497411
113428672441
12166a3b0b17
139a3535cc8
1455a7b09a3
1531b0d3491
hex1dbf90543

7985497411 has 2 divisors, whose sum is σ = 7985497412. Its totient is φ = 7985497410.

The previous prime is 7985497381. The next prime is 7985497427. The reversal of 7985497411 is 1147945897.

It is a happy number.

7985497411 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 is a cyclic number.

It is not a de Polignac number, because 7985497411 - 29 = 7985496899 is a prime.

It is not a weakly prime, because it can be changed into another prime (7985497451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992748705 + 3992748706.

It is an arithmetic number, because the mean of its divisors is an integer number (3992748706).

Almost surely, 27985497411 is an apocalyptic number.

7985497411 is a deficient number, since it is larger than the sum of its proper divisors (1).

7985497411 is an equidigital number, since it uses as much as digits as its factorization.

7985497411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 55.

The square root of 7985497411 is about 89361.6103872351. The cubic root of 7985497411 is about 1998.7907198848.

The spelling of 7985497411 in words is "seven billion, nine hundred eighty-five million, four hundred ninety-seven thousand, four hundred eleven".