Base | Representation |
---|---|
bin | 101010010101101010111… |
… | …001010000100000000000 |
3 | 101022010220002200120102010 |
4 | 222111222321100200000 |
5 | 340132111440112310 |
6 | 10104333255452520 |
7 | 420126532053030 |
oct | 52255271204000 |
9 | 11263802616363 |
10 | 2909486254080 |
11 | a219a715a78a |
12 | 3aba65087140 |
13 | 181495451c73 |
14 | a0b69aa58c0 |
15 | 50a38236320 |
hex | 2a56ae50800 |
2909486254080 has 768 divisors, whose sum is σ = 11374389411840. Its totient is φ = 619749310464.
The previous prime is 2909486254079. The next prime is 2909486254093. The reversal of 2909486254080 is 804526849092.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (768).
It is a super-2 number, since 2×29094862540802 (a number of 26 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 2909486254080.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 376531177 + ... + 376538903.
It is an arithmetic number, because the mean of its divisors is an integer number (14810402880).
Almost surely, 22909486254080 is an apocalyptic number.
2909486254080 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 2909486254080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5687194705920).
2909486254080 is an abundant number, since it is smaller than the sum of its proper divisors (8464903157760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2909486254080 is a wasteful number, since it uses less digits than its factorization.
2909486254080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7884 (or 7864 counting only the distinct ones).
The product of its (nonzero) digits is 9953280, while the sum is 57.
The spelling of 2909486254080 in words is "two trillion, nine hundred nine billion, four hundred eighty-six million, two hundred fifty-four thousand, eighty".
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