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2185030146720 = 253543491046711
BaseRepresentation
bin11111110010111101111…
…100100001101010100000
321201212221111201012022010
4133302331330201222200
5241244420204143340
64351442231112520
7313602040541661
oct37627574415240
97655844635263
102185030146720
11772736610713
122b3582212740
1312b0803611a5
1477a82757368
153bc870e4b80
hex1fcbdf21aa0

2185030146720 has 96 divisors (see below), whose sum is σ = 6884434166400. Its totient is φ = 582540170240.

The previous prime is 2185030146709. The next prime is 2185030146743. The reversal of 2185030146720 is 276410305812.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1564165 + ... + 2610875.

It is an arithmetic number, because the mean of its divisors is an integer number (71712855900).

Almost surely, 22185030146720 is an apocalyptic number.

2185030146720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2185030146720 is an abundant number, since it is smaller than the sum of its proper divisors (4699404019680).

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

2185030146720 is a wasteful number, since it uses less digits than its factorization.

2185030146720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051078 (or 1051070 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 2185030146720 in words is "two trillion, one hundred eighty-five billion, thirty million, one hundred forty-six thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 4349 8698 13047 17396 21745 26094 34792 43490 52188 65235 69584 86980 104376 130470 139168 173960 208752 260940 347920 417504 521880 695840 1043760 1046711 2087520 2093422 3140133 4186844 5233555 6280266 8373688 10467110 12560532 15700665 16747376 20934220 25121064 31401330 33494752 41868440 50242128 62802660 83736880 100484256 125605320 167473760 251210640 502421280 4552146139 9104292278 13656438417 18208584556 22760730695 27312876834 36417169112 45521461390 54625753668 68282192085 72834338224 91042922780 109251507336 136564384170 145668676448 182085845560 218503014672 273128768340 364171691120 437006029344 546257536680 728343382240 1092515073360 2185030146720