Base | Representation |
---|---|
bin | 10111111101100… |
… | …11001100110010 |
3 | 112000020110122120 |
4 | 23332303030302 |
5 | 402424341033 |
6 | 31540215110 |
7 | 4660400604 |
oct | 1376631462 |
9 | 460213576 |
10 | 201012018 |
11 | a3514339 |
12 | 5739a496 |
13 | 3284cb2c |
14 | 1c9a7174 |
15 | 129a91b3 |
hex | bfb3332 |
201012018 has 32 divisors (see below), whose sum is σ = 410676480. Its totient is φ = 65577600.
The previous prime is 201011983. The next prime is 201012047. The reversal of 201012018 is 810210102.
It is a junction number, because it is equal to n+sod(n) for n = 201011988 and 201012006.
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, 52071 + ... + 55797.
It is an arithmetic number, because the mean of its divisors is an integer number (12833640).
Almost surely, 2201012018 is an apocalyptic number.
201012018 is an abundant number, since it is smaller than the sum of its proper divisors (209664462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201012018 is a wasteful number, since it uses less digits than its factorization.
201012018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3922.
The product of its (nonzero) digits is 32, while the sum is 15.
The square root of 201012018 is about 14177.8707146031. The cubic root of 201012018 is about 585.7882747640.
It can be divided in two parts, 2010 and 12018, that added together give a triangular number (14028 = T167).
The spelling of 201012018 in words is "two hundred one million, twelve thousand, eighteen".
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