Base | Representation |
---|---|
bin | 11111001100100110000… |
… | …000010000000100101110 |
3 | 21120221120221100221011010 |
4 | 133030212000100010232 |
5 | 240111024011441000 |
6 | 4320505445210050 |
7 | 310613004501600 |
oct | 37144600200456 |
9 | 7527527327133 |
10 | 2143826280750 |
11 | 757212056320 |
12 | 2a75a3100926 |
13 | 127214a628cb |
14 | 75a94331170 |
15 | 3ab74aabd50 |
hex | 1f32601012e |
2143826280750 has 384 divisors, whose sum is σ = 6799363264512. Its totient is φ = 444888864000.
The previous prime is 2143826280749. The next prime is 2143826280769. The reversal of 2143826280750 is 570826283412.
It is a super-2 number, since 2×21438262807502 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2143826280750.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 354524227 + ... + 354530273.
It is an arithmetic number, because the mean of its divisors is an integer number (17706675168).
Almost surely, 22143826280750 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2143826280750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3399681632256).
2143826280750 is an abundant number, since it is smaller than the sum of its proper divisors (4655536983762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143826280750 is a wasteful number, since it uses less digits than its factorization.
2143826280750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6969 (or 6952 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 48.
The spelling of 2143826280750 in words is "two trillion, one hundred forty-three billion, eight hundred twenty-six million, two hundred eighty thousand, seven hundred fifty".
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