Base | Representation |
---|---|
bin | 101111001111111101101… |
… | …1110000111100010000000 |
3 | 211222210221001220220200210 |
4 | 1132133323132013202000 |
5 | 1322344014111420030 |
6 | 21451132502114120 |
7 | 1240112154003033 |
oct | 136377336074200 |
9 | 24883831826623 |
10 | 6493914560640 |
11 | 2084065523221 |
12 | 88a692a1b940 |
13 | 3814b17c8980 |
14 | 186442b2301a |
15 | b3dc5707bb0 |
hex | 5e7fb787880 |
6493914560640 has 256 divisors, whose sum is σ = 22624326990720. Its totient is φ = 1574643400704.
The previous prime is 6493914560597. The next prime is 6493914560641. The reversal of 6493914560640 is 460654193946.
It is not an unprimeable number, because it can be changed into a prime (6493914560641) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269269 + ... + 3613908.
Almost surely, 26493914560640 is an apocalyptic number.
6493914560640 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 6493914560640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11312163495360).
6493914560640 is an abundant number, since it is smaller than the sum of its proper divisors (16130412430080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6493914560640 is a wasteful number, since it uses less digits than its factorization.
6493914560640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3883279 (or 3883267 counting only the distinct ones).
The product of its (nonzero) digits is 16796160, while the sum is 57.
The spelling of 6493914560640 in words is "six trillion, four hundred ninety-three billion, nine hundred fourteen million, five hundred sixty thousand, six hundred forty".
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