Base | Representation |
---|---|
bin | 1100001000001000011… |
… | …1010110101001110000 |
3 | 201220202200002111202222 |
4 | 3002002013112221300 |
5 | 11403140344133310 |
6 | 235413303100212 |
7 | 21023615435006 |
oct | 3020207265160 |
9 | 656680074688 |
10 | 208341396080 |
11 | 803a2317574 |
12 | 34465141668 |
13 | 168534c51bc |
14 | a125c56a76 |
15 | 5645909055 |
hex | 30821d6a70 |
208341396080 has 80 divisors (see below), whose sum is σ = 513896840640. Its totient is φ = 78280052736.
The previous prime is 208341396079. The next prime is 208341396101. The reversal of 208341396080 is 80693143802.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×2083413960802 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541757 + ... + 842723.
It is an arithmetic number, because the mean of its divisors is an integer number (6423710508).
Almost surely, 2208341396080 is an apocalyptic number.
208341396080 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 208341396080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256948420320).
208341396080 is an abundant number, since it is smaller than the sum of its proper divisors (305555444560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208341396080 is a wasteful number, since it uses less digits than its factorization.
208341396080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301506 (or 301500 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 44.
The spelling of 208341396080 in words is "two hundred eight billion, three hundred forty-one million, three hundred ninety-six thousand, eighty".
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