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9972748783 is a prime number
BaseRepresentation
bin10010100100110110…
…00001000111101111
3221202000111010111001
421102123001013233
5130411010430113
64325330341131
7502063652224
oct112233010757
927660433431
109972748783
1142583a1848
121b23a2a7a7
13c2c1686aa
146a86ab94b
153d57c87dd
hex2526c11ef

9972748783 has 2 divisors, whose sum is σ = 9972748784. Its totient is φ = 9972748782.

The previous prime is 9972748759. The next prime is 9972748837. The reversal of 9972748783 is 3878472799.

9972748783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (9972748837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (3878472799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9972748783 - 225 = 9939194351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9972748483) 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, 4986374391 + 4986374392.

It is an arithmetic number, because the mean of its divisors is an integer number (4986374392).

Almost surely, 29972748783 is an apocalyptic number.

9972748783 is a deficient number, since it is larger than the sum of its proper divisors (1).

9972748783 is an equidigital number, since it uses as much as digits as its factorization.

9972748783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42674688, while the sum is 64.

The square root of 9972748783 is about 99863.6509596960. The cubic root of 9972748783 is about 2152.4758773769.

The spelling of 9972748783 in words is "nine billion, nine hundred seventy-two million, seven hundred forty-eight thousand, seven hundred eighty-three".