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8517430212 = 223709785851
BaseRepresentation
bin1111110111010110…
…11010101111000100
3210222121001021201020
413323223122233010
5114420430231322
63525102031140
7421032651024
oct77353325704
923877037636
108517430212
11368095a425
1217985784b0
13a597bba45
145ab2b9a84
1534cb5805c
hex1fbadabc4

8517430212 has 12 divisors (see below), whose sum is σ = 19874003856. Its totient is φ = 2839143400.

The previous prime is 8517430171. The next prime is 8517430231. The reversal of 8517430212 is 2120347158.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354892914 + ... + 354892937.

It is an arithmetic number, because the mean of its divisors is an integer number (1656166988).

Almost surely, 28517430212 is an apocalyptic number.

It is an amenable number.

8517430212 is an abundant number, since it is smaller than the sum of its proper divisors (11356573644).

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

8517430212 is a wasteful number, since it uses less digits than its factorization.

8517430212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709785858 (or 709785856 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 8517430212 is about 92289.9247588815. The cubic root of 8517430212 is about 2042.2215811425.

The spelling of 8517430212 in words is "eight billion, five hundred seventeen million, four hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 709785851 1419571702 2129357553 2839143404 4258715106 8517430212