Base | Representation |
---|---|
bin | 100100001000111111… |
… | …001111000001100000 |
3 | 10201011102101122112202 |
4 | 210020333033001200 |
5 | 1113433202000000 |
6 | 25454344312332 |
7 | 2542431210341 |
oct | 441077170140 |
9 | 121142348482 |
10 | 38805500000 |
11 | 15503769563 |
12 | 762ba726a8 |
13 | 3875765627 |
14 | 1c41ab00c8 |
15 | 1021bd5dd5 |
hex | 908fcf060 |
38805500000 has 84 divisors (see below), whose sum is σ = 95497918236. Its totient is φ = 15522000000.
The previous prime is 38805499937. The next prime is 38805500009. The reversal of 38805500000 is 550883.
It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38805500009) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 461195 + ... + 538805.
It is an arithmetic number, because the mean of its divisors is an integer number (1136879979).
Almost surely, 238805500000 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 38805500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47748959118).
38805500000 is an abundant number, since it is smaller than the sum of its proper divisors (56692418236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38805500000 is an frugal number, since it uses more digits than its factorization.
38805500000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77651 (or 77618 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 29.
The spelling of 38805500000 in words is "thirty-eight billion, eight hundred five million, five hundred thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •