Base | Representation |
---|---|
bin | 110110001101010… |
… | …1111110100000000 |
3 | 11200202200021120022 |
4 | 1230122233310000 |
5 | 12211122412122 |
6 | 500254233012 |
7 | 63034553612 |
oct | 15432576400 |
9 | 4622607508 |
10 | 1818950912 |
11 | 853828819 |
12 | 4291b5768 |
13 | 22cac6b1c |
14 | 13380adb2 |
15 | a9a4d642 |
hex | 6c6afd00 |
1818950912 has 72 divisors (see below), whose sum is σ = 3733603104. Its totient is φ = 883943424.
The previous prime is 1818950911. The next prime is 1818950927. The reversal of 1818950912 is 2190598181.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1818950911) 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, 4105763 + ... + 4106205.
Almost surely, 21818950912 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 1818950912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1866801552).
1818950912 is an abundant number, since it is smaller than the sum of its proper divisors (1914652192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1818950912 is an equidigital number, since it uses as much as digits as its factorization.
1818950912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 875 (or 861 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 44.
The square root of 1818950912 is about 42649.1607420357. The cubic root of 1818950912 is about 1220.6945145262.
The spelling of 1818950912 in words is "one billion, eight hundred eighteen million, nine hundred fifty thousand, nine hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.126 sec. • engine limits •