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8683044479 = 192331640957
BaseRepresentation
bin10000001011000110…
…01011111001111111
3211102010200100202222
420011203023321333
5120240324410404
63553335435555
7425113442324
oct100543137177
924363610688
108683044479
11375639691a
121823b25bbb
13a84bc6a55
145c52aab4b
1535c46ddbe
hex2058cbe7f

8683044479 has 16 divisors (see below), whose sum is σ = 9845114880. Its totient is φ = 7614557280.

The previous prime is 8683044473. The next prime is 8683044499. The reversal of 8683044479 is 9744403868.

It is not a de Polignac number, because 8683044479 - 224 = 8666267263 is a prime.

It is a super-2 number, since 2×86830444792 (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 8683044479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8683044473) 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 in 15 ways as a sum of consecutive naturals, for example, 306932 + ... + 334025.

It is an arithmetic number, because the mean of its divisors is an integer number (615319680).

Almost surely, 28683044479 is an apocalyptic number.

8683044479 is a deficient number, since it is larger than the sum of its proper divisors (1162070401).

8683044479 is a wasteful number, since it uses less digits than its factorization.

8683044479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641030.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The square root of 8683044479 is about 93182.8550700181. The cubic root of 8683044479 is about 2055.3731326563.

The spelling of 8683044479 in words is "eight billion, six hundred eighty-three million, forty-four thousand, four hundred seventy-nine".

Divisors: 1 19 23 31 437 589 713 13547 640957 12178183 14742011 19869667 280098209 377523673 457002341 8683044479