Base | Representation |
---|---|
bin | 10010111001111111… |
… | …010010010101000110 |
3 | 1221101202111020222210 |
4 | 102321333102111012 |
5 | 313033330304134 |
6 | 13154212404250 |
7 | 1316026141461 |
oct | 227177222506 |
9 | 57352436883 |
10 | 20300244294 |
11 | 8677a60000 |
12 | 3b26616686 |
13 | 1bb695c995 |
14 | da81202d8 |
15 | 7dc2c72e9 |
hex | 4b9fd2546 |
20300244294 has 80 divisors (see below), whose sum is σ = 44944545600. Its totient is φ = 6112484400.
The previous prime is 20300244169. The next prime is 20300244319. The reversal of 20300244294 is 49244200302.
It is a Curzon 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 39 ways as a sum of consecutive naturals, for example, 15723789 + ... + 15725079.
It is an arithmetic number, because the mean of its divisors is an integer number (561806820).
Almost surely, 220300244294 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20300244294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22472272800).
20300244294 is an abundant number, since it is smaller than the sum of its proper divisors (24644301306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20300244294 is a wasteful number, since it uses less digits than its factorization.
20300244294 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1519 (or 1486 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 30.
Adding to 20300244294 its reverse (49244200302), we get a palindrome (69544444596).
The spelling of 20300244294 in words is "twenty billion, three hundred million, two hundred forty-four thousand, two hundred ninety-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •