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8099481620 = 225404974081
BaseRepresentation
bin1111000101100010…
…00100100000010100
3202220110121022000202
413202301010200110
5113041431402440
63415412000032
7404466313016
oct74261044024
922813538022
108099481620
113486a4546a
1216a0600018
139c1034999
1456b9a21b6
153260eb615
hex1e2c44814

8099481620 has 12 divisors (see below), whose sum is σ = 17008911444. Its totient is φ = 3239792640.

The previous prime is 8099481589. The next prime is 8099481629. The reversal of 8099481620 is 261849908.

It can be written as a sum of positive squares in 2 ways, for example, as 4951373956 + 3148107664 = 70366^2 + 56108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8099481629) 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, 202487021 + ... + 202487060.

It is an arithmetic number, because the mean of its divisors is an integer number (1417409287).

Almost surely, 28099481620 is an apocalyptic number.

It is an amenable number.

8099481620 is an abundant number, since it is smaller than the sum of its proper divisors (8909429824).

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

8099481620 is a wasteful number, since it uses less digits than its factorization.

8099481620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404974090 (or 404974088 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 8099481620 is about 89997.1200650332. The cubic root of 8099481620 is about 2008.2560072767.

The spelling of 8099481620 in words is "eight billion, ninety-nine million, four hundred eighty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 404974081 809948162 1619896324 2024870405 4049740810 8099481620