Base | Representation |
---|---|
bin | 10010111010011101… |
… | …110001001001100000 |
3 | 1221102022112012222020 |
4 | 102322131301021200 |
5 | 313042402003343 |
6 | 13155055541440 |
7 | 1316154101526 |
oct | 227235611140 |
9 | 57368465866 |
10 | 20308234848 |
11 | 8681518470 |
12 | 3b2922a880 |
13 | 1bb84c9a15 |
14 | da9200316 |
15 | 7dcd54b83 |
hex | 4ba771260 |
20308234848 has 96 divisors (see below), whose sum is σ = 58183961472. Its totient is φ = 6150988800.
The previous prime is 20308234823. The next prime is 20308234931. The reversal of 20308234848 is 84843280302.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3134140 + ... + 3140612.
It is an arithmetic number, because the mean of its divisors is an integer number (606082932).
Almost surely, 220308234848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20308234848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29091980736).
20308234848 is an abundant number, since it is smaller than the sum of its proper divisors (37875726624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20308234848 is a wasteful number, since it uses less digits than its factorization.
20308234848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9468 (or 9460 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 42.
The spelling of 20308234848 in words is "twenty billion, three hundred eight million, two hundred thirty-four thousand, eight hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •