Base | Representation |
---|---|
bin | 1011001110100111101… |
… | …01001010011010000100 |
3 | 1100212211111002101101110 |
4 | 11213103311022122010 |
5 | 22310112320040210 |
6 | 453123053525020 |
7 | 36605430021552 |
oct | 5472365123204 |
9 | 1325744071343 |
10 | 385806018180 |
11 | 13968a491810 |
12 | 629317a3770 |
13 | 2a4c5aa152b |
14 | 1495d032bd2 |
15 | a080749420 |
hex | 59d3d4a684 |
385806018180 has 96 divisors (see below), whose sum is σ = 1195060220928. Its totient is φ = 92211414400.
The previous prime is 385806018163. The next prime is 385806018211. The reversal of 385806018180 is 81810608583.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4069722 + ... + 4163441.
It is an arithmetic number, because the mean of its divisors is an integer number (12448543968).
Almost surely, 2385806018180 is an apocalyptic number.
385806018180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
385806018180 is an abundant number, since it is smaller than the sum of its proper divisors (809254202748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385806018180 is a wasteful number, since it uses less digits than its factorization.
385806018180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8233257 (or 8233255 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 48.
The spelling of 385806018180 in words is "three hundred eighty-five billion, eight hundred six million, eighteen thousand, one hundred eighty".
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