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7990192289 is a prime number
BaseRepresentation
bin1110111000100000…
…01010100010100001
3202121211221211020202
413130100022202201
5112330442123124
63400505314545
7402001341152
oct73420124241
922554854222
107990192289
113430289802
12166ba95a55
139a44bac41
1455b273929
1531b70e5ae
hex1dc40a8a1

7990192289 has 2 divisors, whose sum is σ = 7990192290. Its totient is φ = 7990192288.

The previous prime is 7990192283. The next prime is 7990192307. The reversal of 7990192289 is 9822910997.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7950753889 + 39438400 = 89167^2 + 6280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7990192289 is a prime.

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 (7990192283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3995096144 + 3995096145.

It is an arithmetic number, because the mean of its divisors is an integer number (3995096145).

Almost surely, 27990192289 is an apocalyptic number.

It is an amenable number.

7990192289 is a deficient number, since it is larger than the sum of its proper divisors (1).

7990192289 is an equidigital number, since it uses as much as digits as its factorization.

7990192289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The square root of 7990192289 is about 89387.8755145238. The cubic root of 7990192289 is about 1999.1823565251.

The spelling of 7990192289 in words is "seven billion, nine hundred ninety million, one hundred ninety-two thousand, two hundred eighty-nine".