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3686868688 = 243171104693
BaseRepresentation
bin1101101111000001…
…0010011011010000
3100111221111100001011
43123300102123100
530022314244223
61405502220304
7160235603206
oct33360223320
910457440034
103686868688
111622161018
1286a884694
13469aa6a09
1426d923076
15168a2080d
hexdbc126d0

3686868688 has 40 divisors (see below), whose sum is σ = 7477664256. Its totient is φ = 1758825600.

The previous prime is 3686868683. The next prime is 3686868739. The reversal of 3686868688 is 8868686863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686868683) 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, 17131 + ... + 87562.

Almost surely, 23686868688 is an apocalyptic number.

It is an amenable number.

3686868688 is an abundant number, since it is smaller than the sum of its proper divisors (3790795568).

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

3686868688 is a wasteful number, since it uses less digits than its factorization.

3686868688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104803 (or 104797 counting only the distinct ones).

The product of its digits is 127401984, while the sum is 67.

The square root of 3686868688 is about 60719.5906442064. The cubic root of 3686868688 is about 1544.8484803737.

The spelling of 3686868688 in words is "three billion, six hundred eighty-six million, eight hundred sixty-eight thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 31 62 71 124 142 248 284 496 568 1136 2201 4402 8804 17608 35216 104693 209386 418772 837544 1675088 3245483 6490966 7433203 12981932 14866406 25963864 29732812 51927728 59465624 118931248 230429293 460858586 921717172 1843434344 3686868688