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8668410906 = 231444735151
BaseRepresentation
bin10000001001010110…
…10111010000011010
3211101010010220021210
420010223113100122
5120223103122111
63552054043550
7424545164001
oct100453272032
924333126253
108668410906
113749101461
12181b0495b6
13a81b7212c
145c337bc38
1535b02d0a6
hex204ad741a

8668410906 has 8 divisors (see below), whose sum is σ = 17336821824. Its totient is φ = 2889470300.

The previous prime is 8668410901. The next prime is 8668410923. The reversal of 8668410906 is 6090148668.

It is a sphenic number, since it is the product of 3 distinct primes.

8668410906 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8668410901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722367570 + ... + 722367581.

It is an arithmetic number, because the mean of its divisors is an integer number (2167102728).

Almost surely, 28668410906 is an apocalyptic number.

8668410906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8668410906 is a wasteful number, since it uses less digits than its factorization.

8668410906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444735156.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 8668410906 is about 93104.3012218018. The cubic root of 8668410906 is about 2054.2178402838.

The spelling of 8668410906 in words is "eight billion, six hundred sixty-eight million, four hundred ten thousand, nine hundred six".

Divisors: 1 2 3 6 1444735151 2889470302 4334205453 8668410906