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7920583493 is a prime number
BaseRepresentation
bin1110110000001101…
…01000001101000101
3202102222222022221012
413120012220031011
5112210132132433
63345541332005
7400164564104
oct73006501505
922388868835
107920583493
1133a4a65679
121650707005
13992c584c4
14551d1403b
1531555e848
hex1d81a8345

7920583493 has 2 divisors, whose sum is σ = 7920583494. Its totient is φ = 7920583492.

The previous prime is 7920583453. The next prime is 7920583513. The reversal of 7920583493 is 3943850297.

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., 4554495169 + 3366088324 = 67487^2 + 58018^2 .

It is a cyclic number.

It is not a de Polignac number, because 7920583493 - 210 = 7920582469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7920583453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3960291746 + 3960291747.

It is an arithmetic number, because the mean of its divisors is an integer number (3960291747).

Almost surely, 27920583493 is an apocalyptic number.

It is an amenable number.

7920583493 is a deficient number, since it is larger than the sum of its proper divisors (1).

7920583493 is an equidigital number, since it uses as much as digits as its factorization.

7920583493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 7920583493 is about 88997.6600422730. The cubic root of 7920583493 is about 1993.3599369281.

The spelling of 7920583493 in words is "seven billion, nine hundred twenty million, five hundred eighty-three thousand, four hundred ninety-three".