| Base | Representation |
|---|---|
| bin | 1110001001101011010… |
| … | …0001111011011000100 |
| 3 | 212020112010210210022022 |
| 4 | 3202122310033123010 |
| 5 | 12440400040221000 |
| 6 | 303404042022312 |
| 7 | 23364426055040 |
| oct | 3423264173304 |
| 9 | 766463723268 |
| 10 | 243115554500 |
| 11 | 94117435475 |
| 12 | 3b14aaa7998 |
| 13 | 19c059b45c0 |
| 14 | baa4375020 |
| 15 | 64cd728585 |
| hex | 389ad0f6c4 |
243115554500 has 384 divisors, whose sum is σ = 717855989760. Its totient is φ = 69717542400.
The previous prime is 243115554491. The next prime is 243115554509. The reversal of 243115554500 is 5455511342.
243115554500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (243115554491) and next prime (243115554509).
It is a Harshad number since it is a multiple of its sum of digits (35).
It is not an unprimeable number, because it can be changed into a prime (243115554509) by changing a digit.
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 127 ways as a sum of consecutive naturals, for example, 19877387 + ... + 19889613.
It is an arithmetic number, because the mean of its divisors is an integer number (1869416640).
Almost surely, 2243115554500 is an apocalyptic number.
243115554500 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 243115554500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358927994880).
243115554500 is an abundant number, since it is smaller than the sum of its proper divisors (474740435260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243115554500 is a wasteful number, since it uses less digits than its factorization.
243115554500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12308 (or 12296 counting only the distinct ones).
The product of its (nonzero) digits is 60000, while the sum is 35.
The spelling of 243115554500 in words is "two hundred forty-three billion, one hundred fifteen million, five hundred fifty-four thousand, five hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •