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8149003819 = 112179376241
BaseRepresentation
bin1111001011011011…
…11110111000101011
3210000220210021201021
413211231332320223
5113142121110234
63424341233311
7405640250425
oct74555767053
923026707637
108149003819
11350199a200
1216b5102837
139cb383768
145743b3815
1532a62e9b4
hex1e5b7ee2b

8149003819 has 12 divisors (see below), whose sum is σ = 9007233480. Its totient is φ = 7366779200.

The previous prime is 8149003801. The next prime is 8149003823. The reversal of 8149003819 is 9183009418.

It is not a de Polignac number, because 8149003819 - 25 = 8149003787 is a prime.

It is a super-2 number, since 2×81490038192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8149003859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166462 + ... + 209779.

It is an arithmetic number, because the mean of its divisors is an integer number (750602790).

Almost surely, 28149003819 is an apocalyptic number.

8149003819 is a deficient number, since it is larger than the sum of its proper divisors (858229661).

8149003819 is a wasteful number, since it uses less digits than its factorization.

8149003819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376442 (or 376431 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 8149003819 is about 90271.8329214601. The cubic root of 8149003819 is about 2012.3406820835.

The spelling of 8149003819 in words is "eight billion, one hundred forty-nine million, three thousand, eight hundred nineteen".

Divisors: 1 11 121 179 1969 21659 376241 4138651 45525161 67347139 740818529 8149003819