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2813580868 = 227100485031
BaseRepresentation
bin1010011110110011…
…1101011001000100
321021002020201100211
42213230331121010
521230234041433
61143104445204
7126503020450
oct24754753104
97232221324
102813580868
111214213a4a
12666319804
1335aba3967
141c995b660
1511701d8cd
hexa7b3d644

2813580868 has 12 divisors (see below), whose sum is σ = 5627161792. Its totient is φ = 1205820360.

The previous prime is 2813580851. The next prime is 2813580883. The reversal of 2813580868 is 8680853182.

It is a happy number.

2813580868 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50242488 + ... + 50242543.

Almost surely, 22813580868 is an apocalyptic number.

2813580868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2813580868 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.

2813580868 is a wasteful number, since it uses less digits than its factorization.

2813580868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100485042 (or 100485040 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 49.

The square root of 2813580868 is about 53043.1981313344. The cubic root of 2813580868 is about 1411.7348442923.

The spelling of 2813580868 in words is "two billion, eight hundred thirteen million, five hundred eighty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 100485031 200970062 401940124 703395217 1406790434 2813580868