Base | Representation |
---|---|
bin | 1010110001110111100… |
… | …1100110000000001100 |
3 | 122200222212200102210002 |
4 | 2230131321212000030 |
5 | 11013224404341420 |
6 | 221023430103432 |
7 | 16244030330150 |
oct | 2543571460014 |
9 | 580885612702 |
10 | 185185230860 |
11 | 7159a264943 |
12 | 2ba821aab78 |
13 | 14602c88ba6 |
14 | 8d6a717060 |
15 | 4c3ca4d075 |
hex | 2b1de6600c |
185185230860 has 48 divisors (see below), whose sum is σ = 444484212480. Its totient is φ = 63486413760.
The previous prime is 185185230829. The next prime is 185185230887. The reversal of 185185230860 is 68032581581.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702715 + ... + 1808205.
It is an arithmetic number, because the mean of its divisors is an integer number (9260087760).
Almost surely, 2185185230860 is an apocalyptic number.
185185230860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
185185230860 is an abundant number, since it is smaller than the sum of its proper divisors (259298981620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
185185230860 is a wasteful number, since it uses less digits than its factorization.
185185230860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118046 (or 118044 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 47.
The spelling of 185185230860 in words is "one hundred eighty-five billion, one hundred eighty-five million, two hundred thirty thousand, eight hundred sixty".
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