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8230409109 = 341343672713
BaseRepresentation
bin1111010101001001…
…00001001110010101
3210020120222002210000
413222210201032111
5113323441042414
63440410121513
7410646215556
oct75244411625
923216862700
108230409109
1135439401aa
121718420299
13a121b6680
1458112432d
1533285eb09
hex1ea921395

8230409109 has 80 divisors (see below), whose sum is σ = 13755767872. Its totient is φ = 4871446272.

The previous prime is 8230409107. The next prime is 8230409141. The reversal of 8230409109 is 9019040328.

8230409109 is a `hidden beast` number, since 8 + 230 + 409 + 10 + 9 = 666.

It is not a de Polignac number, because 8230409109 - 21 = 8230409107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8230409107) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3032337 + ... + 3035049.

Almost surely, 28230409109 is an apocalyptic number.

It is an amenable number.

8230409109 is a deficient number, since it is larger than the sum of its proper divisors (5525358763).

8230409109 is a wasteful number, since it uses less digits than its factorization.

8230409109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848 (or 2839 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 8230409109 is about 90721.6022179944. The cubic root of 8230409109 is about 2019.0193185163.

The spelling of 8230409109 in words is "eight billion, two hundred thirty million, four hundred nine thousand, one hundred nine".

Divisors: 1 3 9 13 27 39 43 67 81 117 129 201 351 387 559 603 871 1053 1161 1677 1809 2613 2713 2881 3483 5031 5427 7839 8139 8643 15093 23517 24417 25929 35269 37453 45279 70551 73251 77787 105807 112359 116659 181771 219753 233361 317421 337077 349977 545313 952263 1011231 1049931 1516567 1635939 2363023 2856789 3033693 3149793 4549701 4907817 7089069 7816153 9449379 13649103 14723451 21267207 23448459 40947309 63801621 70345377 101609989 122841927 191404863 211036131 304829967 633108393 914489901 2743469703 8230409109