Base | Representation |
---|---|
bin | 1110010111001010000… |
… | …01000001010011010000 |
3 | 1202011201200002020101002 |
4 | 13023211001001103100 |
5 | 31041110420143210 |
6 | 1014410223001132 |
7 | 50436416140451 |
oct | 7134501012320 |
9 | 1664650066332 |
10 | 493468521680 |
11 | 180308130132 |
12 | 7b7797391a8 |
13 | 376c2c280c4 |
14 | 19c539c7128 |
15 | cc825154a5 |
hex | 72e50414d0 |
493468521680 has 80 divisors (see below), whose sum is σ = 1195937740800. Its totient is φ = 189126013440.
The previous prime is 493468521673. The next prime is 493468521713. The reversal of 493468521680 is 86125864394.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×4934685216802 (a number of 24 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, 507920 + ... + 1115759.
It is an arithmetic number, because the mean of its divisors is an integer number (14949221760).
Almost surely, 2493468521680 is an apocalyptic number.
493468521680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
493468521680 is an abundant number, since it is smaller than the sum of its proper divisors (702469219120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
493468521680 is a wasteful number, since it uses less digits than its factorization.
493468521680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1623852 (or 1623846 counting only the distinct ones).
The product of its (nonzero) digits is 9953280, while the sum is 56.
The spelling of 493468521680 in words is "four hundred ninety-three billion, four hundred sixty-eight million, five hundred twenty-one thousand, six hundred eighty".
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