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8504068319 = 39721420827
BaseRepresentation
bin1111110101110000…
…11100100011011111
3210221122220102122022
413322320130203133
5114404020141234
63523503410355
7420511250045
oct77270344337
923848812568
108504068319
11367436343a
121793bb39bb
13a56ac0bb6
145a95dc395
1534b8b8e2e
hex1fae1c8df

8504068319 has 4 divisors (see below), whose sum is σ = 8525489544. Its totient is φ = 8482647096.

The previous prime is 8504068301. The next prime is 8504068357. The reversal of 8504068319 is 9138604058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8504068319 - 212 = 8504064223 is a prime.

It is a super-2 number, since 2×85040683192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8504068319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8504068819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10710017 + ... + 10710810.

It is an arithmetic number, because the mean of its divisors is an integer number (2131372386).

Almost surely, 28504068319 is an apocalyptic number.

8504068319 is a deficient number, since it is larger than the sum of its proper divisors (21421225).

8504068319 is a wasteful number, since it uses less digits than its factorization.

8504068319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21421224.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 8504068319 is about 92217.5054910943. The cubic root of 8504068319 is about 2041.1530965751.

The spelling of 8504068319 in words is "eight billion, five hundred four million, sixty-eight thousand, three hundred nineteen".

Divisors: 1 397 21420827 8504068319