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8220906318 = 231370151053
BaseRepresentation
bin1111010100000000…
…10001001101001110
3210012221002022101210
413222000101031032
5113314023000233
63435430315250
7410502356622
oct75200211516
923187068353
108220906318
11353953a659
1217151b8b26
13a1023a211
1457db6d182
15331ad4163
hex1ea01134e

8220906318 has 8 divisors (see below), whose sum is σ = 16441812648. Its totient is φ = 2740302104.

The previous prime is 8220906311. The next prime is 8220906319. The reversal of 8220906318 is 8136090228.

It is a happy number.

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

8220906318 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220906311) 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, 685075521 + ... + 685075532.

It is an arithmetic number, because the mean of its divisors is an integer number (2055226581).

Almost surely, 28220906318 is an apocalyptic number.

8220906318 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.

8220906318 is a wasteful number, since it uses less digits than its factorization.

8220906318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370151058.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 8220906318 is about 90669.2137277036. The cubic root of 8220906318 is about 2018.2419692481.

The spelling of 8220906318 in words is "eight billion, two hundred twenty million, nine hundred six thousand, three hundred eighteen".

Divisors: 1 2 3 6 1370151053 2740302106 4110453159 8220906318