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8487868812 = 223707322401
BaseRepresentation
bin1111110011110101…
…01001100110001100
3210220112102102002120
413321322221212030
5114340343300222
63522124252540
7420223460133
oct77172514614
923815372076
108487868812
1136661a9515
12178a6a1150
13a5363b5a7
145a73c291a
1534a26915c
hex1f9ea998c

8487868812 has 12 divisors (see below), whose sum is σ = 19805027256. Its totient is φ = 2829289600.

The previous prime is 8487868811. The next prime is 8487868813. The reversal of 8487868812 is 2188687848.

It is an interprime number because it is at equal distance from previous prime (8487868811) and next prime (8487868813).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (8487868811) 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 3 ways as a sum of consecutive naturals, for example, 353661189 + ... + 353661212.

It is an arithmetic number, because the mean of its divisors is an integer number (1650418938).

Almost surely, 28487868812 is an apocalyptic number.

It is an amenable number.

8487868812 is an abundant number, since it is smaller than the sum of its proper divisors (11317158444).

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

8487868812 is a wasteful number, since it uses less digits than its factorization.

8487868812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707322408 (or 707322406 counting only the distinct ones).

The product of its digits is 11010048, while the sum is 60.

The square root of 8487868812 is about 92129.6304779304. The cubic root of 8487868812 is about 2039.8561999752.

The spelling of 8487868812 in words is "eight billion, four hundred eighty-seven million, eight hundred sixty-eight thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 707322401 1414644802 2121967203 2829289604 4243934406 8487868812