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782320010249 is a prime number
BaseRepresentation
bin10110110001001011110…
…10000000010000001001
32202210022020010012111102
423120211322000100021
5100304142410311444
61355220504511145
7110343422240261
oct13304572002011
92683266105442
10782320010249
11281864283818
1210775147b4b5
1358a07131b8b
1429c1623a7a1
151553b09b84e
hexb625e80409

782320010249 has 2 divisors, whose sum is σ = 782320010250. Its totient is φ = 782320010248.

The previous prime is 782320010179. The next prime is 782320010281. The reversal of 782320010249 is 942010023287.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 696295120249 + 86024890000 = 834443^2 + 293300^2 .

It is a cyclic number.

It is not a de Polignac number, because 782320010249 - 220 = 782318961673 is a prime.

It is a super-2 number, since 2×7823200102492 (a number of 25 digits) 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 (782320010449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391160005124 + 391160005125.

It is an arithmetic number, because the mean of its divisors is an integer number (391160005125).

Almost surely, 2782320010249 is an apocalyptic number.

It is an amenable number.

782320010249 is a deficient number, since it is larger than the sum of its proper divisors (1).

782320010249 is an equidigital number, since it uses as much as digits as its factorization.

782320010249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 782320010249 in words is "seven hundred eighty-two billion, three hundred twenty million, ten thousand, two hundred forty-nine".