Base | Representation |
---|---|
bin | 111110101110010011… |
… | …001101011000101110 |
3 | 20102211122121112120010 |
4 | 332232103031120232 |
5 | 2100412241434330 |
6 | 50534542034050 |
7 | 4602652122000 |
oct | 765623153056 |
9 | 212748545503 |
10 | 67348780590 |
11 | 266206a3753 |
12 | 11076b78926 |
13 | 64740b0280 |
14 | 338c880370 |
15 | 1b429b43b0 |
hex | fae4cd62e |
67348780590 has 256 divisors, whose sum is σ = 205599744000. Its totient is φ = 14027779584.
The previous prime is 67348780451. The next prime is 67348780601. The reversal of 67348780590 is 9508784376.
It is a self number, because there is not a number n which added to its sum of digits gives 67348780590.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10564644 + ... + 10571016.
It is an arithmetic number, because the mean of its divisors is an integer number (803124000).
Almost surely, 267348780590 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67348780590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102799872000).
67348780590 is an abundant number, since it is smaller than the sum of its proper divisors (138250963410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67348780590 is a wasteful number, since it uses less digits than its factorization.
67348780590 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6496 (or 6482 counting only the distinct ones).
The product of its (nonzero) digits is 10160640, while the sum is 57.
The spelling of 67348780590 in words is "sixty-seven billion, three hundred forty-eight million, seven hundred eighty thousand, five hundred ninety".
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