Base | Representation |
---|---|
bin | 11111110010111101111… |
… | …100100001101010100000 |
3 | 21201212221111201012022010 |
4 | 133302331330201222200 |
5 | 241244420204143340 |
6 | 4351442231112520 |
7 | 313602040541661 |
oct | 37627574415240 |
9 | 7655844635263 |
10 | 2185030146720 |
11 | 772736610713 |
12 | 2b3582212740 |
13 | 12b0803611a5 |
14 | 77a82757368 |
15 | 3bc870e4b80 |
hex | 1fcbdf21aa0 |
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".
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