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8383986684 = 2232534394123
BaseRepresentation
bin1111100111011100…
…10111101111111100
3210122021221122121100
413303232113233330
5114132300033214
63503533533100
7414522465603
oct76356275774
923567848540
108383986684
1136125a6317
12175b944190
13a37c68a88
145976a0a3a
15341099309
hex1f3b97bfc

8383986684 has 36 divisors (see below), whose sum is σ = 21592725336. Its totient is φ = 2741932128.

The previous prime is 8383986641. The next prime is 8383986697. The reversal of 8383986684 is 4866893838.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2195154 + ... + 2198969.

It is an arithmetic number, because the mean of its divisors is an integer number (599797926).

Almost surely, 28383986684 is an apocalyptic number.

It is an amenable number.

8383986684 is an abundant number, since it is smaller than the sum of its proper divisors (13208738652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8383986684 is a wasteful number, since it uses less digits than its factorization.

8383986684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394186 (or 4394181 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 63.

The square root of 8383986684 is about 91564.1124240278. The cubic root of 8383986684 is about 2031.5001557329.

The spelling of 8383986684 in words is "eight billion, three hundred eighty-three million, nine hundred eighty-six thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 53 106 159 212 318 477 636 954 1908 4394123 8788246 13182369 17576492 26364738 39547107 52729476 79094214 158188428 232888519 465777038 698665557 931554076 1397331114 2095996671 2794662228 4191993342 8383986684