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8113305819 = 319913590127
BaseRepresentation
bin1111000111001011…
…10011100011011011
3202221102121122021010
413203211303203123
5113104001241234
63421024145003
7405024650553
oct74345634333
922842548233
108113305819
113493827823
1216a5168163
139c3b65098
1456d760163
1532742c6e9
hex1e39738db

8113305819 has 8 divisors (see below), whose sum is σ = 10872102400. Its totient is φ = 5381689896.

The previous prime is 8113305803. The next prime is 8113305853. The reversal of 8113305819 is 9185033118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8113305819 - 24 = 8113305803 is a prime.

It is a super-2 number, since 2×81133058192 (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 (8113305899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6794467 + ... + 6795660.

It is an arithmetic number, because the mean of its divisors is an integer number (1359012800).

Almost surely, 28113305819 is an apocalyptic number.

8113305819 is a deficient number, since it is larger than the sum of its proper divisors (2758796581).

8113305819 is a wasteful number, since it uses less digits than its factorization.

8113305819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13590329.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 8113305819 is about 90073.8908840958. The cubic root of 8113305819 is about 2009.3979219454.

The spelling of 8113305819 in words is "eight billion, one hundred thirteen million, three hundred five thousand, eight hundred nineteen".

Divisors: 1 3 199 597 13590127 40770381 2704435273 8113305819