Base | Representation |
---|---|
bin | 10101011110101… |
… | …01010001100100 |
3 | 110120001002120212 |
4 | 22233111101210 |
5 | 332111230233 |
6 | 25513514552 |
7 | 4315335215 |
oct | 1257252144 |
9 | 416032525 |
10 | 180180068 |
11 | 92785a52 |
12 | 50412a58 |
13 | 2b437b33 |
14 | 19d0340c |
15 | 10c41a48 |
hex | abd5464 |
180180068 has 24 divisors (see below), whose sum is σ = 329495040. Its totient is φ = 86049920.
The previous prime is 180180053. The next prime is 180180073. The reversal of 180180068 is 860081081.
It is a happy number.
180180068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124493 + ... + 125931.
It is an arithmetic number, because the mean of its divisors is an integer number (13728960).
Almost surely, 2180180068 is an apocalyptic number.
It is an amenable number.
180180068 is a deficient number, since it is larger than the sum of its proper divisors (149314972).
180180068 is a wasteful number, since it uses less digits than its factorization.
180180068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2827 (or 2825 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 32.
The square root of 180180068 is about 13423.1169256622. The cubic root of 180180068 is about 564.8098328866.
The spelling of 180180068 in words is "one hundred eighty million, one hundred eighty thousand, sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •