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8061458819 is a prime number
BaseRepresentation
bin1111000001000000…
…00001100110000011
3202210211001112112212
413200200001212003
5113002213140234
63411533012335
7403525161251
oct74040014603
922724045485
108061458819
113467535367
12168b9240ab
139b61b109b
145669055d1
15322ada5ce
hex1e0801983

8061458819 has 2 divisors, whose sum is σ = 8061458820. Its totient is φ = 8061458818.

The previous prime is 8061458791. The next prime is 8061458851. The reversal of 8061458819 is 9188541608.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8061458819 is a prime.

It is a super-2 number, since 2×80614588192 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8061455819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4030729409 + 4030729410.

It is an arithmetic number, because the mean of its divisors is an integer number (4030729410).

Almost surely, 28061458819 is an apocalyptic number.

8061458819 is a deficient number, since it is larger than the sum of its proper divisors (1).

8061458819 is an equidigital number, since it uses as much as digits as its factorization.

8061458819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 50.

The square root of 8061458819 is about 89785.6270179142. The cubic root of 8061458819 is about 2005.1085087097.

The spelling of 8061458819 in words is "eight billion, sixty-one million, four hundred fifty-eight thousand, eight hundred nineteen".