| Base | Representation |
|---|---|
| bin | 1100110111110110110… |
| … | …0110110000110000000 |
| 3 | 210010211110221210212201 |
| 4 | 3031331230312012000 |
| 5 | 12110404433140000 |
| 6 | 245332420002544 |
| 7 | 21656234011126 |
| oct | 3157554660600 |
| 9 | 703743853781 |
| 10 | 221152240000 |
| 11 | 8587674618a |
| 12 | 36a3b530454 |
| 13 | 17b15638613 |
| 14 | a9bd423916 |
| 15 | 5b4544496a |
| hex | 337db36180 |
221152240000 has 160 divisors (see below), whose sum is σ = 556239915000. Its totient is φ = 87545856000.
The previous prime is 221152239953. The next prime is 221152240027. The reversal of 221152240000 is 42251122.
221152240000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (160).
It is a self number, because there is not a number n which added to its sum of digits gives 221152240000.
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 19 ways as a sum of consecutive naturals, for example, 7745751 + ... + 7774249.
Almost surely, 2221152240000 is an apocalyptic number.
221152240000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 221152240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278119957500).
221152240000 is an abundant number, since it is smaller than the sum of its proper divisors (335087675000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221152240000 is an frugal number, since it uses more digits than its factorization.
221152240000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28630 (or 28603 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
Adding to 221152240000 its reverse (42251122), we get a palindrome (221194491122).
It can be divided in two parts, 2211522 and 40000, that added together give a palindrome (2251522).
The spelling of 221152240000 in words is "two hundred twenty-one billion, one hundred fifty-two million, two hundred forty thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •