Base | Representation |
---|---|
bin | 1100110000010111001… |
… | …0000000111000000000 |
3 | 202221122021012010210000 |
4 | 3030011302000320000 |
5 | 12042244411011320 |
6 | 244401025440000 |
7 | 21555334030230 |
oct | 3140562007000 |
9 | 687567163700 |
10 | 219140328960 |
11 | 84a34003693 |
12 | 365797a0000 |
13 | 17884880907 |
14 | a86c147cc0 |
15 | 5a789ccc90 |
hex | 3305c80e00 |
219140328960 has 800 divisors, whose sum is σ = 918141092352. Its totient is φ = 48910417920.
The previous prime is 219140328929. The next prime is 219140328961. The reversal of 219140328960 is 69823041912.
219140328960 is a `hidden beast` number, since 21 + 91 + 403 + 2 + 89 + 60 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (219140328961) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 62413605 + ... + 62417115.
Almost surely, 2219140328960 is an apocalyptic number.
219140328960 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 219140328960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459070546176).
219140328960 is an abundant number, since it is smaller than the sum of its proper divisors (699000763392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219140328960 is an equidigital number, since it uses as much as digits as its factorization.
219140328960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3596 (or 3571 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 45.
The spelling of 219140328960 in words is "two hundred nineteen billion, one hundred forty million, three hundred twenty-eight thousand, nine hundred sixty".
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