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8230777830 = 2325118313917
BaseRepresentation
bin1111010101001011…
…11011001111100110
3210020121122211120100
413222211323033212
5113324034342310
63440422044530
7410652312552
oct75245731746
923217584510
108230777830
113544072230
121718579746
13a122b5452
145811bc862
153328d3ec0
hex1ea97b3e6

8230777830 has 48 divisors (see below), whose sum is σ = 23345481744. Its totient is φ = 1995339840.

The previous prime is 8230777777. The next prime is 8230777847. The reversal of 8230777830 is 387770328.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4155969 + ... + 4157948.

It is an arithmetic number, because the mean of its divisors is an integer number (486364203).

Almost surely, 28230777830 is an apocalyptic number.

8230777830 is an abundant number, since it is smaller than the sum of its proper divisors (15114703914).

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

8230777830 is a wasteful number, since it uses less digits than its factorization.

8230777830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313941 (or 8313938 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 8230777830 is about 90723.6343518049. The cubic root of 8230777830 is about 2019.0494686460.

The spelling of 8230777830 in words is "eight billion, two hundred thirty million, seven hundred seventy-seven thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 8313917 16627834 24941751 41569585 49883502 74825253 83139170 91453087 124708755 149650506 182906174 249417510 274359261 374126265 457265435 548718522 748252530 823077783 914530870 1371796305 1646155566 2743592610 4115388915 8230777830