Base | Representation |
---|---|
bin | 11110110101011111100101… |
… | …10011110101010000000000 |
3 | 22220002110011110011211101020 |
4 | 33122233302303311100000 |
5 | 32341434230412010210 |
6 | 400114521431105440 |
7 | 20166006232114446 |
oct | 1732576263652000 |
9 | 286073143154336 |
10 | 67808722375680 |
11 | 1a673577014090 |
12 | 773194bb12280 |
13 | 2bab44823b510 |
14 | 12a5d614bcb96 |
15 | 7c8cd91d1770 |
hex | 3dabf2cf5400 |
67808722375680 has 2816 divisors, whose sum is σ = 276874026024960. Its totient is φ = 13912296652800.
The previous prime is 67808722375649. The next prime is 67808722375733. The reversal of 67808722375680 is 8657322780876.
67808722375680 is digitally balanced in base 5, 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 (2816).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 374633825190 + ... + 374633825370.
Almost surely, 267808722375680 is an apocalyptic number.
67808722375680 is a gapful number since it is divisible by the number (60) 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 67808722375680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138437013012480).
67808722375680 is an abundant number, since it is smaller than the sum of its proper divisors (209065303649280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67808722375680 is a wasteful number, since it uses less digits than its factorization.
67808722375680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456 (or 438 counting only the distinct ones).
The product of its (nonzero) digits is 379330560, while the sum is 69.
The spelling of 67808722375680 in words is "sixty-seven trillion, eight hundred eight billion, seven hundred twenty-two million, three hundred seventy-five thousand, six hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •