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7166228168 = 231181434411
BaseRepresentation
bin1101010110010001…
…11111011011001000
3200111102112002222002
412223020333123020
5104134023300133
63143033050132
7342404635331
oct65310773310
920442462862
107166228168
113048170320
12147bb56948
138a28974c8
144bda6b288
152be201ce8
hex1ab23f6c8

7166228168 has 16 divisors (see below), whose sum is σ = 14658194160. Its totient is φ = 3257376400.

The previous prime is 7166228141. The next prime is 7166228189. The reversal of 7166228168 is 8618226617.

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, 40717118 + ... + 40717293.

It is an arithmetic number, because the mean of its divisors is an integer number (916137135).

Almost surely, 27166228168 is an apocalyptic number.

It is an amenable number.

7166228168 is an abundant number, since it is smaller than the sum of its proper divisors (7491965992).

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

7166228168 is a wasteful number, since it uses less digits than its factorization.

7166228168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81434428 (or 81434424 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 7166228168 is about 84653.5774081639. The cubic root of 7166228168 is about 1927.9549304215.

The spelling of 7166228168 in words is "seven billion, one hundred sixty-six million, two hundred twenty-eight thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 81434411 162868822 325737644 651475288 895778521 1791557042 3583114084 7166228168