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8909165268 = 2233316913851
BaseRepresentation
bin10000100110000011…
…10001001011010100
3211222220011111012000
420103001301023110
5121221221242033
64032014155300
7433530440523
oct102301611324
924886144160
108909165268
113861a9a803
1218877b2b30
13abc9c8433
1460732c4ba
15372237a13
hex2130712d4

8909165268 has 96 divisors (see below), whose sum is σ = 23883632640. Its totient is φ = 2869020000.

The previous prime is 8909165261. The next prime is 8909165269. The reversal of 8909165268 is 8625619098.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8909165261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2311543 + ... + 2315393.

It is an arithmetic number, because the mean of its divisors is an integer number (248787840).

Almost surely, 28909165268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8909165268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11941816320).

8909165268 is an abundant number, since it is smaller than the sum of its proper divisors (14974467372).

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

8909165268 is a wasteful number, since it uses less digits than its factorization.

8909165268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586 (or 4578 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 8909165268 is about 94388.3746443385. The cubic root of 8909165268 is about 2073.0622267862.

The spelling of 8909165268 in words is "eight billion, nine hundred nine million, one hundred sixty-five thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 31 36 54 62 93 108 124 186 279 372 558 691 837 1116 1382 1674 2073 2764 3348 3851 4146 6219 7702 8292 11553 12438 15404 18657 21421 23106 24876 34659 37314 42842 46212 64263 69318 74628 85684 103977 119381 128526 138636 192789 207954 238762 257052 358143 385578 415908 477524 578367 716286 771156 1074429 1156734 1432572 2148858 2313468 2661041 3223287 4297716 5322082 6446574 7983123 10644164 12893148 15966246 23949369 31932492 47898738 71848107 82492271 95797476 143696214 164984542 247476813 287392428 329969084 494953626 742430439 989907252 1484860878 2227291317 2969721756 4454582634 8909165268