Base | Representation |
---|---|
bin | 10010101100111001… |
… | …100001101000010101 |
3 | 1220211110020201012220 |
4 | 102230321201220111 |
5 | 312111120132133 |
6 | 13120325332553 |
7 | 1310421353433 |
oct | 225471415025 |
9 | 56743221186 |
10 | 20080630293 |
11 | 8574aa0829 |
12 | 3a84b67159 |
13 | 1b802c8b79 |
14 | d86cb3d53 |
15 | 7c7d965b3 |
hex | 4ace61a15 |
20080630293 has 8 divisors (see below), whose sum is σ = 26784446400. Its totient is φ = 13381950528.
The previous prime is 20080630289. The next prime is 20080630307. The reversal of 20080630293 is 39203608002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20080630293 - 22 = 20080630289 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20080630223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274953 + ... + 1290606.
It is an arithmetic number, because the mean of its divisors is an integer number (3348055800).
Almost surely, 220080630293 is an apocalyptic number.
It is an amenable number.
20080630293 is a deficient number, since it is larger than the sum of its proper divisors (6703816107).
20080630293 is a wasteful number, since it uses less digits than its factorization.
20080630293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2568171.
The product of its (nonzero) digits is 15552, while the sum is 33.
The spelling of 20080630293 in words is "twenty billion, eighty million, six hundred thirty thousand, two hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •