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8012550919 is a prime number
BaseRepresentation
bin1110111011001010…
…11101001100000111
3202200102000202112011
413131211131030013
5112402203112134
63403024435051
7402362362522
oct73545351407
922612022464
108012550919
11344197010a
121677478a87
139a9018ab9
14560213bb9
1531d679264
hex1dd95d307

8012550919 has 2 divisors, whose sum is σ = 8012550920. Its totient is φ = 8012550918.

The previous prime is 8012550907. The next prime is 8012550943. The reversal of 8012550919 is 9190552108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8012550919 - 29 = 8012550407 is a prime.

It is a super-2 number, since 2×80125509192 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8012550719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4006275459 + 4006275460.

It is an arithmetic number, because the mean of its divisors is an integer number (4006275460).

Almost surely, 28012550919 is an apocalyptic number.

8012550919 is a deficient number, since it is larger than the sum of its proper divisors (1).

8012550919 is an equidigital number, since it uses as much as digits as its factorization.

8012550919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 8012550919 is about 89512.8533731330. The cubic root of 8012550919 is about 2001.0453634291.

It can be divided in two parts, 80125 and 50919, that added together give a square (131044 = 3622).

The spelling of 8012550919 in words is "eight billion, twelve million, five hundred fifty thousand, nine hundred nineteen".