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8082128160 = 25345623621
BaseRepresentation
bin1111000011011101…
…10111110100100000
3202212020221122120000
413201232313310200
5113023011100120
63413552020000
7404165645601
oct74156676440
922766848500
108082128160
113478172567
121696831600
139ba56a072
14569565da8
1532481e990
hex1e1bb7d20

8082128160 has 120 divisors (see below), whose sum is σ = 28523223036. Its totient is φ = 2155230720.

The previous prime is 8082128147. The next prime is 8082128183. The reversal of 8082128160 is 618212808.

It can be written as a sum of positive squares in 2 ways, for example, as 7722191376 + 359936784 = 87876^2 + 18972^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 298851 + ... + 324770.

Almost surely, 28082128160 is an apocalyptic number.

8082128160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8082128160 is an abundant number, since it is smaller than the sum of its proper divisors (20441094876).

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

8082128160 is a wasteful number, since it uses less digits than its factorization.

8082128160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623648 (or 623631 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 8082128160 is about 89900.6571722365. The cubic root of 8082128160 is about 2006.8207257405.

The spelling of 8082128160 in words is "eight billion, eighty-two million, one hundred twenty-eight thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 288 324 360 405 432 480 540 648 720 810 864 1080 1296 1440 1620 2160 2592 3240 4320 6480 12960 623621 1247242 1870863 2494484 3118105 3741726 4988968 5612589 6236210 7483452 9354315 9977936 11225178 12472420 14966904 16837767 18708630 19955872 22450356 24944840 28062945 29933808 33675534 37417260 44900712 49889680 50513301 56125890 59867616 67351068 74834520 84188835 89801424 99779360 101026602 112251780 134702136 149669040 168377670 179602848 202053204 224503560 252566505 269404272 299338080 336755340 404106408 449007120 505133010 538808544 673510680 808212816 898014240 1010266020 1347021360 1616425632 2020532040 2694042720 4041064080 8082128160