Base | Representation |
---|---|
bin | 10101011110101… |
… | …11101111111110 |
3 | 110120001121111100 |
4 | 22233113233332 |
5 | 332112041311 |
6 | 25514033530 |
7 | 4315406610 |
oct | 1257275776 |
9 | 416047440 |
10 | 180190206 |
11 | 92792629 |
12 | 504188a6 |
13 | 2b43c631 |
14 | 19d06db0 |
15 | 10c44a56 |
hex | abd7bfe |
180190206 has 48 divisors (see below), whose sum is σ = 448707168. Its totient is φ = 51192000.
The previous prime is 180190181. The next prime is 180190217. The reversal of 180190206 is 602091081.
It is a self number, because there is not a number n which added to its sum of digits gives 180190206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18856 + ... + 26756.
It is an arithmetic number, because the mean of its divisors is an integer number (9348066).
Almost surely, 2180190206 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 180190206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224353584).
180190206 is an abundant number, since it is smaller than the sum of its proper divisors (268516962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180190206 is a wasteful number, since it uses less digits than its factorization.
180190206 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8097 (or 8094 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 180190206 is about 13423.4945524629. The cubic root of 180190206 is about 564.8204258724.
The spelling of 180190206 in words is "one hundred eighty million, one hundred ninety thousand, two hundred six".
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