Base | Representation |
---|---|
bin | 10111111101100… |
… | …00010001001100 |
3 | 112000012212011220 |
4 | 23332300101030 |
5 | 402424000022 |
6 | 31540043340 |
7 | 4660320603 |
oct | 1376602114 |
9 | 460185156 |
10 | 201000012 |
11 | a3506314 |
12 | 57393550 |
13 | 32847525 |
14 | 1c9a2a3a |
15 | 129a585c |
hex | bfb044c |
201000012 has 48 divisors (see below), whose sum is σ = 504215040. Its totient is φ = 62119872.
The previous prime is 200999983. The next prime is 201000049. The reversal of 201000012 is 210000102.
It is a happy number.
201000012 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (6).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338 + ... + 20094.
It is an arithmetic number, because the mean of its divisors is an integer number (10504480).
Almost surely, 2201000012 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 201000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252107520).
201000012 is an abundant number, since it is smaller than the sum of its proper divisors (303215028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201000012 is a wasteful number, since it uses less digits than its factorization.
201000012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18830 (or 18828 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 6.
The square root of 201000012 is about 14177.4473019652. The cubic root of 201000012 is about 585.7766119223.
Adding to 201000012 its reverse (210000102), we get a palindrome (411000114).
The spelling of 201000012 in words is "two hundred one million, twelve", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.497 sec. • engine limits •