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8530728102 = 23213295323719
BaseRepresentation
bin1111111000111100…
…01001010010100110
3211000112001212222200
413330132021102212
5114432331244402
63530255035330
7421253664261
oct77436112246
924015055880
108530728102
113688412316
1217a0b0bb46
13a5c496710
145acd7bcd8
1534ddd321c
hex1fc7894a6

8530728102 has 96 divisors (see below), whose sum is σ = 20980814400. Its totient is φ = 2486405376.

The previous prime is 8530728079. The next prime is 8530728133. The reversal of 8530728102 is 2018270358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347799 + ... + 371517.

It is an arithmetic number, because the mean of its divisors is an integer number (218550150).

Almost surely, 28530728102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8530728102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10490407200).

8530728102 is an abundant number, since it is smaller than the sum of its proper divisors (12450086298).

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

8530728102 is a wasteful number, since it uses less digits than its factorization.

8530728102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23822 (or 23819 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 8530728102 is about 92361.9407656639. The cubic root of 8530728102 is about 2043.2838388258.

The spelling of 8530728102 in words is "eight billion, five hundred thirty million, seven hundred twenty-eight thousand, one hundred two".

Divisors: 1 2 3 6 9 13 18 26 29 39 53 58 78 87 106 117 159 174 234 261 318 377 477 522 689 754 954 1131 1378 1537 2067 2262 3074 3393 4134 4611 6201 6786 9222 12402 13833 19981 23719 27666 39962 47438 59943 71157 119886 142314 179829 213471 308347 359658 426942 616694 687851 925041 1257107 1375702 1850082 2063553 2514214 2775123 3771321 4127106 5550246 6190659 7542642 8942063 11313963 12381318 16342391 17884126 22627926 26826189 32684782 36456103 49027173 53652378 72912206 80478567 98054346 109368309 147081519 160957134 218736618 294163038 328104927 473929339 656209854 947858678 1421788017 2843576034 4265364051 8530728102