Base | Representation |
---|---|
bin | 11011111110110001… |
… | …000100101000101101 |
3 | 2212112211020102201002 |
4 | 123332301010220231 |
5 | 443012241040220 |
6 | 21445124530045 |
7 | 2112343320653 |
oct | 337661045055 |
9 | 85484212632 |
10 | 30044080685 |
11 | 11818111553 |
12 | 59a5850925 |
13 | 2aaa55a148 |
14 | 1650240dd3 |
15 | bac934c75 |
hex | 6fec44a2d |
30044080685 has 8 divisors (see below), whose sum is σ = 36170334816. Its totient is φ = 23956972560.
The previous prime is 30044080679. The next prime is 30044080699. The reversal of 30044080685 is 58608044003.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30044080685 - 214 = 30044064301 is a prime.
It is a Duffinian number.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 9784811 + ... + 9787880.
It is an arithmetic number, because the mean of its divisors is an integer number (4521291852).
Almost surely, 230044080685 is an apocalyptic number.
It is an amenable number.
30044080685 is a deficient number, since it is larger than the sum of its proper divisors (6126254131).
30044080685 is a wasteful number, since it uses less digits than its factorization.
30044080685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19573003.
The product of its (nonzero) digits is 92160, while the sum is 38.
The spelling of 30044080685 in words is "thirty billion, forty-four million, eighty thousand, six hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •